Similar Figures, Scale Drawings, Proportions

Front

In similar figures, sides that go together are called

Back

Corresponding Sides

Front

When Poppy was 2 years old, she weighed 27 pounds. Her weight increased by 18% over the year. How much does she weigh now? (Round to the nearest whole)

Back

32 pounds

Front

Sides in similar figures must be proportional. True or False?

Back

True

Front

All angles in similar figures are congruent. True or False?

Back

True

Front

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

Back

2 in.

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object that is proportional to the actual object, using a specific ratio.

Front

Define proportionality in the context of similar figures.

Back

Proportionality means that the ratios of corresponding sides of similar figures are equal.

Front

What is the relationship between corresponding angles in similar figures?

Back

Corresponding angles in similar figures are equal.

Front

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

Back

Their corresponding sides are in proportion.

Front

What is the scale factor if a figure is enlarged from a width of 2 in. to 4 in.?

Back

The scale factor is 2.