Jan. 8 Ch.4 Test Review

12
Test Review Scale and Similarity

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Transcript of Jan. 8 Ch.4 Test Review

Page 1: Jan. 8 Ch.4 Test Review

Test ReviewScale and Similarity

Page 2: Jan. 8 Ch.4 Test Review

How many shapes are not similar?

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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??

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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?

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Which of the triangles is similar??

4.5

67.5

b)

3

45

a)

9

11

15

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1.7 m

3 m

10m

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

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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?

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Use a scale factor of 0.5 to reduce this image

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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

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2.3

44

3.5

7.36x

y

z

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

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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

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One question similar to the river crossing question involving similar triangles

One question similar to the cattle pasture question from assignment 4.4