the area of rhombus is 120 square centimetre if one diagonal is 20 cm find the other diagonal
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let d1 and d2 be the diagonals of rhombus d1=20cm
area=120cm square
area=1÷2(d1×d2)
120=1÷2×(20×d2)
d2=120÷10
=12cm
area=120cm square
area=1÷2(d1×d2)
120=1÷2×(20×d2)
d2=120÷10
=12cm
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