Corresponding Parts and Scale Factor

Side AB of the first triangle corresponds to side __ of the second triangle.

• AC

• XZ

• XY

• ZY

Angle P of the blue triangle corresponds to what angle of the yellow triangle?

• Y

• Z

• X

• Q

These figures are scale copies.

• True

• False

To create a scale copy, ________ all the side lengths of the original figure by the same number.

• Divide

• Multiply

• Add

• Subtract

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)

• (x, y) → (x + 4, y + 4)

• (x, y) → (x, -y)

• (x, y) → (4x, 4y)

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

Mathematical Equivalence

ON

To create the larger copy in this image, the original side lengths were multiplied by _____.

• 1/2

• 3

• 2

• 1.5

To create the smaller scaled copy in this image, the original side lengths were multiplied by ___.

• 1/2

• 1

• 2

• 1/4

To create a scale copy, multiply all side lengths of the original figure by the ______ number.

• Different

• Derivative

• Same

• Corresponding

The number that we use to multiple all side lengths by to create scale copies is called the _____.

• Corresponding angle

• Corresponding Part

• Scale Factor

• Original figure