Similarity of Figures/Scale Factor Flashcard

Front

Two objects that are the same shape but not the same size are _______.

Back

Similar

Front

What is the similarity statement for the triangle pair?

Back

ΔYZX~ΔNWE

Front

Find x if the ratio of the sides is 11:5 and the corresponding side is 5.

Back

11

Front

What is the scale factor from MNOP to ABCD if the lengths of corresponding sides are in the ratio 2:3?

Back

2/3

Front

Find the missing side if the ratio of the sides is 7:5 and the corresponding side is 5.

Back

7

Front

What does it mean for two figures to be similar?

Back

They have the same shape but different sizes, and their corresponding angles are equal.

Front

If triangle ABC is similar to triangle DEF, what can be said about their corresponding angles?

Back

The corresponding angles are equal.

Front

If the scale factor from figure A to figure B is 3, what happens to the area of figure A when it is scaled to figure B?

Back

The area increases by a factor of 3^2 = 9.

Front

What is the relationship between the lengths of corresponding sides of similar figures?

Back

The lengths of corresponding sides are proportional.

Front

If two triangles have a scale factor of 1/2, what is the ratio of their areas?

Back

1/4