Dilation Area

• 20 square feet

• 30 square feet

• 54 square feet

• 24 square feet

what is scale factor ?

(low level )

• 100

• 500

• 300

• 5

(medium level)

• 100

• 40

• 80

• 440

• 9

• 18

• 27

• 4

• 24

• 8

• 12

(medium level)

• 60

• 66

• 180

• 81

Tell whether each transformation is a dilation. Explain.

• The corresponding angles of the dilation will be 3 times larger than the original figure.

• The corresponding angles of the dilation will be 1/3 smaller than the original figure.

• The corresponding sides of the dilation will be 3 times larger than the original figure.

• The corresponding sides of the dilation will be 1/3 smaller than the original figure.

Which statement is true?

• The corresponding sides of the dilation will be 2 times larger than the original figure.

• The corresponding angles of the dilation will be 1/2 smaller than the original figure.

• The corresponding sides of the dilation will be 1/2 smaller than the original figure.

• The corresponding angles of the dilation will be 2 times than the original figure.

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

A figure is going to be dilated by a scale factor of 3.5. Which of the following describes the effect of the dilation on the area of the figure?

• The area will become 3.5 times larger

• The area will become 7 times larger.

• The area will become 12.25 times larger.

• The area will become 49 time larger