The area of a rhombus is 84 cm2 and one diagonal is 12 cm. Find the other diagonal of the rhombus.

2 answers

area = (1/2) d1 d2
84 = (1/2)(12) d2
d2 = 84/6 = 14
Area of rhombus =1\2d1 d2
84 =1\2 12 d2
168 = 12 d2
168 \12 = d2
14 = d2
d2 =14
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