Semester Exam #4 (Topics 13-15)

Front

What does CPCTC stand for?

Back

Corresponding Parts of Congruent Triangles are Congruent.

Front

Determine the measure of one exterior angle in a regular hexagon.

Back

60°.

Front

Solve for the missing variable: If the sum of angles in a triangle is 180°, and two angles are 75° and 60°, what is the missing angle?

Back

45°.

Front

In a parallelogram, what is the relationship between opposite angles?

Back

Opposite angles are equal.

Front

What additional information is required to prove two triangles are congruent by SAS?

Back

The length of one side and the angles adjacent to it.

Front

What is the formula for the sum of the interior angles of a polygon with n sides?

Back

(n-2) × 180°.

Front

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

Back

90°.

Front

What is the definition of a parallelogram?

Back

A quadrilateral with opposite sides parallel and equal in length.

Front

How do you find the measure of an exterior angle of a regular polygon?

Back

Divide 360° by the number of sides.

Front

What is the relationship between the angles in a triangle?

Back

The sum of the interior angles is always 180°.