Geometry Flashcard: Angles & Transformations

Front

Solve for x: 2x + 4 = -8

Back

x = -6

Front

What is the measure of angle a if angle b = 36° and angle c = 90°?

Back

Angle a = 54°

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

What is the definition of a right angle?

Back

An angle that measures exactly 90°.

Front

Solve for x: 3x - 9 = 0

Back

x = 3

Front

What is the measure of angle b if angle a = 45° and angle c = 45°?

Back

Angle b = 90°

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90°.

Front

Solve for x: 5x + 10 = 20

Back

x = 2

Front

What is the definition of supplementary angles?

Back

Two angles that add up to 180°.

Front

If angle A = 30° and angle B = 60°, what is angle C in triangle ABC?

Back

Angle C = 90°