The area of a rhombus is 280cm square and one of the diagonal i 20cm. Find the other diagonal
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area = 1/2 d1 × d2
280 = 1/2 × 20 × d2
280 = 10 × d2
so d2 = 280/10
d2 = 28 cm
280 = 1/2 × 20 × d2
280 = 10 × d2
so d2 = 280/10
d2 = 28 cm
Answered by
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1/2 ×20×d=280
d=28 cm
d=28 cm
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