Final 2023 Review

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. In geometry, it is the ratio of the lengths of two corresponding sides of two similar figures.

Front

If the scale factor is greater than 1, what does it indicate about the image compared to the pre-image?

Back

It indicates that the image will be larger than the pre-image.

Front

What does a scale factor of 1 mean?

Back

A scale factor of 1 means that the image will be the same size as the pre-image.

Front

What does a scale factor of less than 1 indicate?

Back

It indicates that the image will be a reduction of the pre-image.

Front

Two objects that are the same shape but not the same size are called _______.

Back

Similar.

Front

What is the scale factor from triangle ΔABC to triangle ΔDEF if the sides of ΔDEF are twice as long as those of ΔABC?

Back

2.

Front

What is the relationship between congruent figures?

Back

Congruent figures are identical in shape and size.

Front

What is the geometric term for a line that divides an angle into two equal parts?

Back

An angle bisector.

Front

What is a perpendicular bisector?

Back

A perpendicular bisector is a line that divides a segment into two equal parts at a 90-degree angle.

Front

If two triangles are similar, what can be said about their corresponding angles?

Back

Their corresponding angles are equal.