The length of the diagonals of a rhombus are 16cm and 12cm. The length of each side of the rhombus is
A
8cm
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B
9cm
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C
10cm
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D
12cm
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Solution
The correct option is D10cm Let ABCD be rhombus with AC and BD daigonals. Let AC and BD bisect at O. Therefore AO=16/2=8 BO=12/2=6cm In right angled triangle AOB, by Pythagoras theorem we can write as AB2=AO2+OB2 AB2=82+62 AB2=64+36 AB=100 AB=10 Length of rhombus is 10cm