Unit 6 Test Review

Which formula would you use the find the measure of one interior angle of a regular polygon?

• (n -2) x 180

• (n - 2) * 360

Use your knowledge of the sum of exterior angles of a polygon to solve for x.

• 70

• 105

• 115

• 125

Weston is trying to calculate the measure of one exterior angle of a regular pentagon. Which expression should Weston use?

What is the value of x?

• 58

• 145.2

• 112

• 122

What is the measure of angle Y?

• 94 degrees

• 134 degrees

• 148 degrees

• Not Enough Information

Which of the following statements is true about rectangles?

• Rectangles are NOT parallelograms.

• The diagonals of a rectangle are congruent.

• The diagonals of a rectangle are perpendicular to one another.

• The sum of the interior angles of a rectangle will always equal 270 degrees.

Which statement is true of ALL parallelograms?

• They must have four 90 degree angles.

• All sides must be congruent to one another.

• Opposite sides must be parallel to one another.

• Their diagonals must be congruent to one another

Which statement is true?

• A rhombus is a square.

• A square is a parallelogram.

• A trapezoid is a parallelogram.

• A kite is a rhombus.

The figure on the left is a rhombus. You can see that 2 diagonals have been drawn. What is the measure of angle 4?

• 90 degrees

• 35 degrees

• 180 degrees

• 80 degrees

The figure on the left is a trapezoid. What is the measure of angle B?

• 91

• 136

• 141

• 39