the diagonal of a rhombus are 12 cm and 9 cm long calculate the length of one side of the Rhombus
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a² =(12/2)² + (9/2)²,
a² =36 + 81/4,
a²=(144+81)/4,
a²=225/4,
a=15/2=7.5 cm
a² =36 + 81/4,
a²=(144+81)/4,
a²=225/4,
a=15/2=7.5 cm
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