The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?
260 $cm^2$
240 $cm^2$
280 $cm^2$
220 $cm^2$
Explanation:
4a = 68 => a = 17
172 - 82 = 152
1/2 $\times$ 16 $\times$ 30 = 240
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