An isosceles trapezoid has base angles of 45° and bases of lengths 9 and 15. The area of the trapezoid is

Mathematics

1 answer:

-BARSIC- [3]3 years ago

3 0

Tangent 45 = height / 3
height = 3 * tan (45)
height = 3 * 1
height = 3

Trapezoid area = ((sum of the bases) ÷ 2) • height

Trapezoid area = (9 + 15) /2 * height

Trapezoid area = 12 * 3

Trapezoid area = 36

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