Similar Triangles Quiz: AA, SAS, SSS with Answers

Question 1

Triangles $	riangle ABC$ and $	riangle DEF$ are similar. If $AB=4$ and $DE=10$ are corresponding sides, what is the scale factor from $	riangle ABC$ to $	riangle DEF$?

Accepted Answer

$\frac{5}{2}$

Answer

$\frac{3}{2}$

Answer

$\frac{10}{14}$

Answer

$\frac{2}{5}$

Question 2

Triangles $	riangle ABC$ and $	riangle DEF$ are similar. If $\frac{AB}{DE}=\frac{3}{5}$ and $AB=12$, what is $DE$?

Accepted Answer

$20$

Answer

$15$

Answer

$30$

Answer

$7.2$

Question 3

Two triangles have side lengths $3,4,5$ and $6,8,11$. Which statement is correct?

Accepted Answer

They are not similar because the side ratios are not all equal.

Answer

They are similar because two side ratios match, so the third must match too.

Answer

They are similar by AA because all triangles have three angles.

Answer

They are similar by SSS because each side in the second is double the first.

Similar Triangles Quiz: AA, SAS, SSS with Answers

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