Geometry Properties

Front

Write an equation and solve for x: x + 12 = 56

Back

x = 44

Front

Use the properties of interior angles of triangles to write an equation to solve for x: 2x + 30 + 50 = 180

Back

x = 58

Front

What does the word BISECT mean?

Back

To cut something into two congruent pieces or in half.

Front

Two intersecting lines create 2 pairs of vertical angles. Write an equation to find the measurement of angle DBE: If angle A = 28 degrees, what is angle DBE?

Back

28 degrees

Front

What does ∥ mean?

Back

parallel

Front

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

Back

180 degrees

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees

Front

What is the definition of a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is the definition of congruent angles?

Back

Angles that have the same measure.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height