Similar Figures

Front

What are similar figures?

Back

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

Front

What is the definition of corresponding sides?

Back

Sides in similar figures that are in the same relative position.

Front

If two triangles are similar, what can we say about their angles?

Back

Their corresponding angles are equal.

Front

What must be true about the sides of similar figures?

Back

The sides must be proportional.

Front

If the sides of two similar rectangles are in the ratio 2:3, what is the ratio of their areas?

Back

The ratio of their areas is 4:9.

Front

What is the term for figures that have the same shape but different sizes?

Back

Similar figures.

Front

If a triangle has sides of lengths 3, 4, and 5, what are the lengths of the sides of a similar triangle if the shortest side is 6?

Back

The sides will be 6, 8, and 10.

Front

True or False: All congruent figures are similar.

Back

True.

Front

What is the scale factor in similar figures?

Back

The ratio of the lengths of corresponding sides.

Front

If two similar figures have a scale factor of 1:4, what is the relationship between their perimeters?

Back

The perimeter ratio is also 1:4.