SOLUTION: The perimeter of a rhombus is 40cm. If one diagnol is 16cm find (1) its another diagonal

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Question 1058180: The perimeter of a rhombus is 40cm. If one diagnol is 16cm find (1) its another diagonal
Answer by ikleyn(52781) About Me  (Show Source):
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The perimeter of a rhombus is 40cm. If one diagnol is 16cm find (1) its another diagonal
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Diagonals of a rhombus bisect each other and are perpendicular.

Therefore, another diagonal is

d = 2%2Asqrt%28%2840%2F4%29%5E2+-+%2816%2F2%29%5E2%29 = 12 cm.