Geometry Midterm Review

Front

What is the measure of angle A if it is given that ∠A = 25°?

Back

∠A = 25°

Front

What do you call two angles whose measures add up to 180 degrees?

Back

Supplementary angles

Front

What type of angle pair relationship do angles 3 and 6 represent if they are on opposite sides of a transversal and inside the two lines?

Back

Alternate Interior angles

Front

How do you find the midpoint between two points (x1, y1) and (x2, y2)?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

Front

What is the distance formula used to find the distance between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²)

Front

What is the definition of complementary angles?

Back

Two angles whose measures add up to 90 degrees.

Front

What is the definition of perpendicular lines?

Back

Lines that intersect to form right angles (90 degrees).

Front

What is the definition of parallel lines?

Back

Lines in a plane that never meet and are always the same distance apart.

Front

If two angles are vertical, what is true about their measures?

Back

Vertical angles are equal in measure.

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.