Fall final review 3 no credit

Front

If a triangle has angles with a ratio of 1:2:3, what is the measure of the largest angle?

Back

90°

Front

What is the intersection of two planes?

Back

The intersection of two planes can be a line.

Front

What does it mean for a figure to be reflected in the y-axis?

Back

A reflection in the y-axis means that each point of the figure is mirrored across the y-axis.

Front

What is a congruence statement in geometry?

Back

A congruence statement indicates that two figures are congruent, meaning they have the same shape and size.

Front

If the scale factor is less than one, what happens to the figure?

Back

The figure undergoes a reduction.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180°.

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Front

What is the difference between a ray and a line segment?

Back

A ray has one endpoint and extends infinitely in one direction, while a line segment has two endpoints.

Front

What does it mean for two triangles to be congruent?

Back

Two triangles are congruent if their corresponding sides and angles are equal.

Front

What is the definition of a scale factor in geometry?

Back

A scale factor is a number that scales, or multiplies, some quantity.