Scaling Review

Front

What is scaling in geometry?

Back

Scaling in geometry refers to resizing a shape or object by a certain factor, which can either enlarge or reduce its dimensions.

Tags

CCSS.8.G.A.3

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It determines how much larger or smaller a figure will be when it is scaled.

Tags

CCSS.7.G.A.1

Front

What does a scale factor of 1 mean?

Back

A scale factor of 1 means that the object remains the same size; it creates an exact copy of the original.

Tags

CCSS.8.G.A.3

Front

How do you calculate the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = Length × Width).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Back

The area is 40 square cm (10 cm × 4 cm = 40 cm²).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the relationship between angles in similar figures?

Back

In similar figures, corresponding angles are equal.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

How do you find the height of a building in a scale drawing?

Back

To find the height in a scale drawing, divide the actual height by the scale factor.

Tags

CCSS.7.G.A.1

Front

If 1/4 inch represents 10 feet in a scale drawing, how many inches represent 360 feet?

Back

9 inches (360 feet ÷ 10 feet per 1/4 inch = 36 quarters; 36 quarters × 1/4 inch = 9 inches).

Tags

CCSS.6.RP.A.3B

Front

What is the formula for finding the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated by adding the lengths of all sides (Perimeter = 2 × (Length + Width)).

Tags

CCSS.3.MD.D.8

Front

What is an enlargement in scaling?

Back

An enlargement is a transformation that increases the size of a figure by a scale factor greater than 1.

Tags

CCSS.8.G.A.3