Semester Review

Front

Calculate m∠GHI if the angles in a triangle sum up to 180° and the other two angles are 72° and 60°. What is m∠GHI?

Back

108°

Front

Solve for x in the equation 2x + 5 = 25.

Back

10

Front

Find the value of x in the equation 3x - 2 = -28.

Back

-10

Front

If lines a and b are parallel, and the corresponding angle is 72°, what is the value of x if x = 72°?

Back

8

Front

Find the value of x in the equation 4x + 4 = -32.

Back

-9

Front

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

Back

180°

Front

Define parallel lines.

Back

Parallel lines are lines in a plane that never meet; they are always the same distance apart.

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What is the Pythagorean theorem?

Back

Front

What is the formula for the area of a triangle?

Back