In a rhombus the length of the two diagonals are 40cm and 30cm.Then its perimeter is
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P=4a
a=p2+q2
2
Solving forP
P=2p2+q2=2·402+302=100cm
a=p2+q2
2
Solving forP
P=2p2+q2=2·402+302=100cm
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