ABCD has area equal to 28 . BC is parallel to AD. BA is perpendicular to AD. If BC is 6 and AD is 8, then what is CD?

ABCD has area equal to 28 . BC is parallel to AD. BA is perpendicular to AD. If BC is 6 and AD is 8, then what is CD? Correct Answer 25

Area of a trapizeum = 1/2(sum of parrallels) × h = 1/2 × (6 + 8) × h = 28 = h = 4 CD2 = CE2 + DE2 CD2 = 16 + 4 CD = 2√5
Bissoy MCQ

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