dilations

Front

What is Dilation?

Back

Dilation means to enlarge or reduce.

Front

What is the definition of similarity?

Back

Proportionate sides and equal angles.

Front

This number creates scaled copies by multiplying all lengths in an original figure by the same number.

Back

Scale Factor.

Front

Line segment RS is 12 units long. What is the length of RS when dilated by a scale factor of 1/3?

Back

4.

Front

Rectangle A has a length of 10 and width of 5. Rectangle B has a length of 15 and a width of 7.5. What scale factor was used to create rectangle B from rectangle A?

Back

3/2.

Front

What is the scale factor if a triangle with sides 4, 6, and 8 is dilated to a triangle with sides 8, 12, and 16?

Back

2.

Front

If a square with a side length of 2 is dilated by a scale factor of 3, what is the new side length?

Back

6.

Front

What happens to the area of a shape when it is dilated by a scale factor of k?

Back

The area is multiplied by k^2.

Front

If a circle with a radius of 5 is dilated by a scale factor of 2, what is the new radius?

Back

10.

Front

What is the center of dilation?

Back

The fixed point in a dilation from which all points are expanded or contracted.