jan. 8 ch.4 test review

Test ReviewScale and Similarity

How many shapes are not similar?

4cm

The actual length of the eland is 2.6 m, what scale factor was used to reduce it to the size of the picture??

An ant has a length of 2 mm. Lauren uses a scale factor of 12 to draw the ant.

a) Is the drawing an enlargement or reduction?

b) What will be the length of the ant in the drawing?

Which of the triangles is similar??

4.5

67.5

b)

3

45

a)

9

11

15

1.7 m

3 m

10m

Use the information provided to find the height of the wall.

0.15m

0.04m

A baseball diamond has the properties as stated below. If you use a scale of 250, what is the total distance from the outside corner to the opposite ouside corner?

Use a scale factor of 0.5 to reduce this image

Are the two triangles similar?? Show all work.

A

B C

D

E F

2.5

1.5

2.9

4.5

8.77.5

2.3

44

3.5

7.36x

y

z

The two trapezoids are similar, find x, y and z

A pool has the dimensions of 6 m by 9 m. Draw a scale diagram of it if it is reduced by a scale factor of 1 . 300

One question similar to the river crossing question involving similar triangles

One question similar to the cattle pasture question from assignment 4.4