ABCD is a quadrilateral such that AB = 7, BC = 15,CD = 20, and ∠A = ∠C = 90 . What is the perimeter of quadrilateral ABCD?

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ABCD is a quadrilateral such that AB = 7, BC = 15,CD = 20, and ∠A = ∠C = 90◦ . What is the perimeter of quadrilateral ABCD?

Guest Nov 23, 2020

jugoslav · Answer 1 · 2020-11-23T08:08:56

BD = sqrt(20² + 15²) = 25

AD = sqrt( 25² - 7²) = 24

The perimeter of quadrilateral ABCD = 7 + 15 + 20 + 24 = 66

ABCD is a quadrilateral such that AB = 7, BC = 15,CD = 20, and ∠A = ∠C = 90 . What is the perimeter of quadrilateral ABCD? ​