projection of pentagon plane
TRANSCRIPT
![Page 1: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/1.jpg)
A regular pentagon of 30 mm sides is resting on HP on one of it’s sides with it’s surface 450 inclined to HP.Draw it’s projections when the side in HP makes 300 angle with VP
![Page 2: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/2.jpg)
X Y
Draw XY line as shown
![Page 3: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/3.jpg)
X Y
30
Draw pentagon keeping corner and side as shown
![Page 4: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/4.jpg)
X Y
d
a
b
c
e
Name the points as shown
![Page 5: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/5.jpg)
X Y
d
a
b
c
e
Draw projector as shown
![Page 6: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/6.jpg)
X Y
d
a
b
c
e
Mark the points as shown
![Page 7: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/7.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
Name the points and draw the front view as shown
![Page 8: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/8.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’ 450
Draw a line as shown since surface is inclined to HP by 450.
![Page 9: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/9.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
450
Since Surface inclined to HP by 450.
Transfer the front view as shown
![Page 10: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/10.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
Draw projectors as shown
![Page 11: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/11.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
Draw projectors as shown
![Page 12: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/12.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1
Mark the points and name it as shown
![Page 13: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/13.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1
Join the points as shown
![Page 14: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/14.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1300
Draw a line as shown
Since side in HP makes 300 angle with VPside in HP
![Page 15: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/15.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
Transfer the top view as shown
Now side in HP makes 300 angle with VP
Side lies at HP
![Page 16: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/16.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
Draw the projector as shown
![Page 17: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/17.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
Draw the projector as shown
![Page 18: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/18.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
b’1
e’1 c’1
d’1
a’1
Mark the points and Name it as shown
![Page 19: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/19.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
b’1
e’1 c’1
d’1
a’1300
Join the points as shown
![Page 20: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/20.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
b’1
e’1 c’1
d’1
a’1300
FRONT VIEW
TOP VIEW ALL DIMENSIONS ARE IN mmSCALE 1:1
30
450
![Page 21: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/21.jpg)
A regular pentagon of 30 mm sides is resting on HP on one of it’s sides while it’s oppositevertex (corner) is 30 mm above HP. Draw projections when side in HP is 300 inclined to VP.
![Page 22: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/22.jpg)
X Y
Draw XY line as shown
![Page 23: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/23.jpg)
X Y
30
Draw pentagon keeping corner and side as shown
![Page 24: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/24.jpg)
X Y
d
a
b
c
e
Name the points as shown
![Page 25: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/25.jpg)
X Y
d
a
b
c
e
Draw projector as shown
![Page 26: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/26.jpg)
X Y
d
a
b
c
e
Mark and Name the points as shown
b’ d’c’e’a’
![Page 27: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/27.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
Draw front view as shown
![Page 28: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/28.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
30
Draw a line as shown
Since vertex (corner) is 30 mm above HP
![Page 29: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/29.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
450
Transfer the front view as shown
vertex (corner) is 30 mm above HP
30
sides is resting on HP
![Page 30: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/30.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
Draw projector as shown
![Page 31: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/31.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
Draw projector as shown
![Page 32: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/32.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1
Mark the points and name it as shown
![Page 33: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/33.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1
Join the points as shown
![Page 34: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/34.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1300
Draw a line as shown
side in HP is 300 inclined to VP.
![Page 35: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/35.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
Transfer the top view as shown
side in HP is 300 inclined to VP.
300
![Page 36: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/36.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
Draw the projector as shown
![Page 37: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/37.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
Draw the projector as shown
![Page 38: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/38.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
b’1
e’1 c’1
d’1
a’1
Mark the points and name it as shown
![Page 39: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/39.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
b’1
e’1 c’1
d’1
a’1300
Join the points as shown
![Page 40: Projection of pentagon plane](https://reader036.vdocuments.us/reader036/viewer/2022062302/58eeac4c1a28ab2d548b4607/html5/thumbnails/40.jpg)
X Y
d
a
b
c
e
b’ d’c’e’a’
b1’
d1’
c1’e1’
a1’
b1c1
d1
a1
e1a1
b1
c1d1
e1
b’1
e’1 c’1
d’1
a’1300
FRONT VIEW
TOP VIEW ALL DIMENSIONS ARE IN mmSCALE 1:1
30
450