class 7th navodita rao presentation
DESCRIPTION
useful docTRANSCRIPT
![Page 1: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/1.jpg)
WELCOME
![Page 2: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/2.jpg)
MATHS PPT PROJECT
![Page 3: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/3.jpg)
Name-Navodita RaoClass- VIIRoll No.-10K.V. Dabla, Jaisalmer
![Page 4: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/4.jpg)
PERIMETER & AREA
CHAPTER- 11
![Page 5: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/5.jpg)
ANSWERPERIMETER OF SQ.=320m4xSIDES=320SIDE= 320/4=80THEREFORE,SIDE=80,, ,, ,, ,, ,, ,,AREA=SXS =80X80=6400m2
1.FIND THE AREA OFA SQUARE PARK WHOSE PERIMETER IS 320m?
![Page 6: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/6.jpg)
PERIMETER OF SQUARE- 4 X SIDE PERIMETER OF RECTANGLE-2 x (L+B) AREA OF SQUARE-SIDE X SIDE AREA OF RECCTANGLE-LENGTH X BREADTH AREA OF PARALLEOGRAM-BASEXHEIGHT AREA OF TRIANGLE- _1/2 basexheight CIRCUMFRENCE OF A CIRCLE- _2IIr AREA OF A CIRCLE- II R2 1CM2=10MM2 1M2=10000CM2
1HECTARE=10000M
FORMULAE
![Page 7: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/7.jpg)
DEFINATION
OF CIRCUMFERENCE
THE DISTANCE AROUND A
CIRCULAR REGION IS
KNOWN AS ITS
CIRCUMFERENCE
![Page 8: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/8.jpg)
S.NO.BASE HEIGHT AREA OF PARALLELOGRAM
A. 20 cm2 12.3cm 246 cm2
B. 10.3cm 15cm 154.5 cm2
C. 5.8cm 8.4cm 48.72 cm2
D. 15.6 cm 1.05c m 16.38 cm2
TABLE OF BASEXHEIGHT=AREA OF IIGM
![Page 9: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/9.jpg)
![Page 10: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/10.jpg)
My evererst is to go at the to
What is the circumference of a circular disc of radius 14 cm ?
Radius of circular disc (r) = 14 cm Circumference of disc =2r =2x22/7x14cm =88cm So , the circumference of the circular disc is
88cm.
![Page 11: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/11.jpg)
Perimeter & area
![Page 12: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/12.jpg)
THANK YOU..
![Page 13: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/13.jpg)
THE END……
![Page 14: Class 7th Navodita Rao Presentation](https://reader036.vdocuments.us/reader036/viewer/2022062309/55cf8fd8550346703ba06ff6/html5/thumbnails/14.jpg)
K.V. B.S.F.DABLA