Similarity Review

Similarity Review

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a midsegment in a triangle?

Back

A midsegment is a line segment that connects the midpoints of two sides of a triangle. It is parallel to the third side and its length is half the length of that side.

2.

FLASHCARD QUESTION

Front

If QR is a midsegment of triangle WUV and its length is 8, what is the length of side WU?

Back

The length of side WU is 16, since the midsegment is half the length of the side it is parallel to.

3.

FLASHCARD QUESTION

Front

What is the relationship between angles in similar figures?

Back

All corresponding angles in similar figures are congruent.

4.

FLASHCARD QUESTION

Front

If two triangles are similar, what can be said about their corresponding sides?

Back

The lengths of corresponding sides of similar triangles are proportional.

5.

FLASHCARD QUESTION

Front

What is the scale factor in similar triangles?

Back

The scale factor is the ratio of the lengths of corresponding sides of two similar figures.

6.

FLASHCARD QUESTION

Front

If triangle ABC is similar to triangle DEF and the length of side AB is 6 and side DE is 9, what is the scale factor?

Back

The scale factor is 3:2.

7.

FLASHCARD QUESTION

Front

How do you find the missing length in similar triangles?

Back

Set up a proportion using the lengths of corresponding sides and solve for the missing length.

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