12/16 Unit 5 Review

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that maintains the proportions of the original, using a specific ratio to convert measurements.

Front

If the scale is 1 cm : 9 m, how do you convert actual meters to centimeters in a drawing?

Back

Multiply the actual measurement in meters by the scale factor (1 cm : 9 m) to find the equivalent measurement in centimeters.

Front

What is the width of a soccer field that is 54 meters wide in a drawing with a scale of 1 cm : 9 m?

Back

6 cm (54 m ÷ 9 m/cm = 6 cm).

Front

What does it mean for two triangles to be similar?

Back

Two triangles are similar if their corresponding angles are equal and their corresponding sides are in proportion.

Front

What is the proportion for similar triangles ABC and WXY?

Back

Front

How do you enlarge a drawing?

Back

To enlarge a drawing, you increase the dimensions by a specific scale factor, maintaining the same proportions.

Front

If a drawing is enlarged and the original width is 40 cm, what is the new width if the scale factor is 2?

Back

80 cm (40 cm x 2 = 80 cm).

Front

What is the scale of a drawing if 1 mm represents 2 m?

Back

The scale is 1 mm : 2 m.

Front

How wide is a garage that is 8 meters wide in a drawing with a scale of 1 mm : 2 m?

Back

4 mm (8 m ÷ 2 m/mm = 4 mm).

Front

What is the scale used if 3 inches represents 2 feet in a drawing?

Back

The scale is 3 inches : 2 feet.