Similar Figures, Scale Drawings, Proportions

Front

What are similar figures?

Back

Figures that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.

Front

What does it mean for angles in similar figures?

Back

All angles in similar figures are congruent (equal in measure).

Front

What are corresponding sides?

Back

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

Front

What is a scale drawing?

Back

A drawing that represents an object or area with accurate proportions, but at a different size.

Front

How do you find the perimeter of a triangle?

Back

Add the lengths of all three sides together.

Front

What is a proportion?

Back

An equation that states that two ratios are equal.

Front

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

Back

The lengths of their corresponding sides are in proportion.

Front

What is the formula to calculate the new weight after a percentage increase?

Back

New Weight = Original Weight + (Original Weight * Percentage Increase).

Front

If Poppy weighed 27 pounds and increased her weight by 18%, how much does she weigh now?

Back

32 pounds.

Front

What is the relationship between scale factor and similar figures?

Back

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