Understanding Trapezoids

What is a defining characteristic of a trapezoid?

• It has three pairs of parallel sides.

• It has exactly one pair of parallel sides.

• It has two pairs of parallel sides.

• It has no parallel sides.

Which of the following is true about the sum of the interior angles of a trapezoid?

• They sum up to 360 degrees.

• They sum up to 180 degrees.

• They sum up to 90 degrees.

• They sum up to 270 degrees.

In a trapezoid, what are the non-parallel sides called?

• Bases

• Legs

• Diagonals

• Arcs

What are base angles in a trapezoid?

• Angles formed by the diagonals

• Angles at the center of the trapezoid

• Angles at the ends of the parallel sides

• Angles at the ends of the non-parallel sides

What is true about the opposite base angles in a trapezoid?

• They are congruent.

• They are supplementary.

• They are complementary.

• They are always equal.

If angle A in a trapezoid is 74 degrees, what is angle D?

• 180 degrees

• 74 degrees

• 106 degrees

• 90 degrees

If angle B in a trapezoid is 141 degrees, what is angle C?

• 141 degrees

• 39 degrees

• 180 degrees

• 90 degrees

What is the value of x if 3x + 5 + 73 equals 180 degrees?

• 36

• 35

• 37

• 34

If angle U is 50 degrees, what is angle R?

• 180 degrees

• 130 degrees

• 90 degrees

• 50 degrees

What is the sum of all interior angles in a trapezoid?

• 180 degrees

• 270 degrees

• 90 degrees

• 360 degrees