1.3 - 1.4 Review Bisectors, Midpoint, Angle Pairs

Front

Two angles are supplementary if the sum of their angles is 180°.

Back

True

Front

Complementary angles are angles that add up to ___________.

Back

90 degrees

Front

B is an example of a...

Back

midpoint

Front

Vertical angles ...

Back

can never be adjacent.

Front

Find AC if AB = 7 and BC = 15.

Back

22

Front

What is the definition of a bisector?

Back

A line that divides an angle or segment into two equal parts.

Front

What do you call angles that are opposite each other when two lines intersect?

Back

Vertical angles.

Front

If two angles are complementary, what is their sum?

Back

90 degrees.

Front

What is the midpoint formula for a segment with endpoints (x1, y1) and (x2, y2)?

Back

((x1 + x2)/2, (y1 + y2)/2).

Front

If angle A and angle B are supplementary, and angle A measures 70°, what is the measure of angle B?

Back

110°.