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Similar Triangles

Last updated over 5 years ago

9 questions

3

3

3

Question 8

8.

Calculate the scale factor for the original triangle and its larger image. Show your working out.

Question 1

1.

Congruent triangles:

have all sides the same

have all angles the same

are all different sizes

are the same shape

Question 2

2.

Similar triangles:

have all angles the same

are the same shape

have all sides the same

can be different sizes

The two triangles shown are similar.

1

Question 3

3.

In 🛆ABC, which vertex (corner) corresponds to vertex E?

1

Question 4

4.

In 🛆ABC, which angle corresponds to ∠D?

1

Question 5

5.

In 🛆DEF, which side corresponds to BC?

5

Question 6

6.

Use the scale factor to compare ratios: Are these two isosceles triangles similar?

Yes

No

10

1

Question 9

9.

Find the unknown side length of these similar triangles using scale factor. Show working out.

Question 7

7.

If they are similar, which similarity statement describes the relationship?

The triangles are NOT similar.

△ABC ~ △EFG, by SSS

△ABC ~ △GEF, by SSS

△ABC ~ △FGE, by SSS