Question on: JAMB Mathematics - 1991
One angle of a rhombus is 60o. The shorter of the two diagonals is 8cm long. Find the length of the longer one.
A
8\(\sqrt{3}\)
B
\(\frac{16}{\sqrt{3}}\)
C
\(\sqrt{3}\)
D
\(\frac{10}{\sqrt{3}}\)
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Correct Option: A
(\frac{x}{4}) = (\frac{\tan 60}{1})
x = 4 tan60
= 4(\sqrt{3})
BD = 2x
= 8(\sqrt{3})
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