Similar Shapes and Scale Drawings

Front

What are similar shapes?

Back

Shapes that have the same shape but different sizes. Their corresponding angles are equal and their corresponding sides are proportional.

Front

What is a scale drawing?

Back

A drawing that represents an object or space at a specific ratio to its actual size.

Front

If a scale is 1 inch: 3 feet, how many feet does 2 inches represent?

Back

6 feet.

Front

In similar polygons, what is true about corresponding sides?

Back

They are proportional.

Front

In similar polygons, what is true about corresponding angles?

Back

They are congruent.

Front

What is the formula to find the actual distance using a scale?

Back

Actual Distance = Map Distance × Scale Factor.

Front

If a tree is represented as 3 inches tall on a drawing with a scale of 1 inch: 5 feet, what is the actual height of the tree?

Back

15 feet.

Front

What does it mean if two shapes are congruent?

Back

They are identical in shape and size.

Front

How do you find the scale of a blueprint?

Back

Divide the actual measurement by the measurement on the blueprint.

Front

If a map has a scale of 1 cm: 20 km, what is the actual distance for 4 cm on the map?

Back

80 km.