Scale and Area

If the scale factor is 5, how times larger will the area of the big square be compared to the smaller square?

• 5

• 20

• 25

The area of the larger square is __________ times larger than the area of the smaller square.

• 1/2

• 1

• 2

• 4

What is one way to determine how much the area would increase using a scale factor of 3?

• take the scale factor and square it to get 3x3=9

• add all of the sides together then multiply by 3

• multiply the area of the smaller rectangle by 3

Which of the following correctly compares the area of the 2 triangles?

• 12x2=24

• 6x2=12

• 6x4=24

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

A scale drawing of Mt. Marcy is 17.8 inches high. Determine the actual height of Mt. Marcy if the scale used for the drawing was 1.5 inches = 450 feet.

• 8,010 feet

• 5,340 feet

• 12,015 feet

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

solve number 1

Mathematical Equivalence

ON

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

When creating a scale drawing of a house, which scale would create the larger drawing?

• 1:2

• 1:3

• 1:4

• 1:5