Scale Drawings/Similar Shapes

Front

What are matching sides in similar shapes called?

Back

Corresponding Sides

Front

If the scale for a flagpole is 3 in = 8 ft, how tall is a flagpole that is 7.5 inches in height?

Back

20 feet

Front

A drawing of a vehicle has a length of 11 cm. If the scale is 2 cm:3 ft, what is the actual length of the vehicle?

Back

16½ feet

Front

What happens to a figure if the scale factor is less than one?

Back

The new figure will be a reduction.

Front

If a blueprint uses a scale of 3 cm = 4.5 m, what is the actual length of a room that is 5 cm on the drawing?

Back

7.5 m

Front

What is the definition of scale drawing?

Back

A scale drawing is a representation of an object that is proportional to its actual size.

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity.

Front

How do you find the actual size of an object from a scale drawing?

Back

Multiply the measurement on the drawing by the scale factor.

Front

What are corresponding angles?

Back

Angles in similar shapes that are in the same position relative to the shapes.

Front

What is the relationship between scale drawings and similar shapes?

Back

Scale drawings are representations of similar shapes that maintain proportional dimensions.