Dilations

Front

What term(s) relates to dilation?

Back

All the above (enlarge or reduce, similar, multiply)

Front

A dilation creates a similar figure. True or False?

Back

True

Front

A dilation can produce a larger figure also known as a ______

Back

enlargement

Front

Segment AB is 3 units long. If AB is dilated by a factor of 5, how long is segment A'B'?

Back

15

Front

Triangle DOG has coordinates D(0, 0), O(0, 4), and G(1, 5). Where is O' after a dilation of scale factor 7?

Back

(0, 28)

Front

What is the scale factor in a dilation?

Back

The ratio of the length of a side of the image to the length of the corresponding side of the original figure.

Front

If a figure is dilated by a scale factor of 1, what happens to the figure?

Back

The figure remains the same size.

Front

What is the center of dilation?

Back

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

Front

If a triangle is dilated by a scale factor of 2, how does the area change?

Back

The area increases by a factor of 4 (since area is proportional to the square of the scale factor).

Front

What happens to the angles of a figure during dilation?

Back

The angles remain the same.