please help me tomorrow is my test
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sorry
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Explanation:
Area of Quadriletral = 1/2 × digonal ×( perpendicular 1 + perpendicular 2)
according to problem
area = 1/2×20×(7+p') = 120
= 7 + p' = 120/10
= p' = 12-7
= p'=5
so the height from other vertex = 5 cm
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