Area and Perimeter Trapezoid

What is a defining characteristic of a trapezoid?

• All four sides are equal in length.

• It has two pairs of parallel sides.

• It has exactly one pair of parallel sides.

• All angles are right angles.

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Find the perimeter of a trapezoid with side lengths of 3.5 cm, 10 cm, 3 cm, and 4 cm!

• 17.5 cm

• 20.5 cm

• 21.5 cm

• 23.5 cm

Which formula correctly calculates the area of a trapezoid, where 'b' and 'd' are the lengths of the parallel sides, and 'h' is the height?

• Area = (b + d) * h

• Area = 1/2 * (b + d) * h

• Area = b * d * h

• Area = (b + d) / h

If a trapezoid has parallel sides of 10 cm and 4 cm, and a height of 2 cm, what is its area?

• 14 cm²

• 28 cm²

• 7 cm²

• 20 cm²