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Artyom0805 [142]
3 years ago
12

What is the area of a rhombus DEFG is DF=9 and EG=12

Mathematics
1 answer:
____ [38]3 years ago
7 0
The question what is the area of a rhombus is 54.
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expeople1 [14]

Answer:

(a)  \theta=\tan^{-1}(-0.890)

\implies \theta=-41.66908262 \pm 180 \textdegree n

\implies \theta=138.3309174..., 318.3309174...

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\implies \theta=30 \textdegree \pm360 \textdegree n, 330 \textdegree \pm360 \textdegree n

\implies \theta=30 \textdegree , 330 \textdegree

(c)  \theta=\sin^{-1}\left(\dfrac{1 }{2}\right)

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\implies \theta=30 \textdegree , 150 \textdegree

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