Geo Chapter 6 Test

True / False: A quadrilateral that is a rectangle and a rhombus is a square.

• True

• False

If both pairs of opposite sides of a quadrilateral are congruent, then it is a parallelogram.

• True

• False

True / False: A quadrilateral with two pairs of parallel sides is always a parallelogram.

• True

• False

True / False: The diagonals of a parallelogram are always perpendicular.

• True

• False

• True

• False

Find the sum of the measures of the exterior angles of a convex 21-gon.

• 17.4

• 180

• 360

• 3420

Find the sum of the measures of the interior angles of a convex 30-gon.

• 5400

• 5040

• 360

• 168

If the measure of each interior angle of a regular polygon is 108, find the measure of each exterior angle.

• 5

• 72

• 90

• 108

• 64

• 58

• 46

• 36

Answer explanation

ABCD is a rectangle with diagonals AC and BD. If AC = 2x + 10 and BD = 56, find the value of x.

• 23

• 33

• 56

• 112