Find the area of a rhombus whose perimeter is 60 cm and diagonal is of length 18 cm
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A=pq/2
P=4a
a=√p²-q²/2
A=1/4p√p²-4p
=1/2×18×√60²-4×18²
=216cm²
P=4a
a=√p²-q²/2
A=1/4p√p²-4p
=1/2×18×√60²-4×18²
=216cm²
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