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The diagonals of a rhombus are $7.5\ cm$ and $12\ cm$. Find its area.
Given: The diagonals of a rhombus are $7.5\ cm$ and $12\ cm$.
To do: To find its area.
Solution:
Let $d_1$ and $d_2$ be the two diagonals of a rhombus.
Then, $d_1=7.5\ cm$ and $d_2=12\ cm$
We know that,
Area of Rhombus $=\frac{d_1\times d_2}{2}$
$=\frac{( 7.5)( 12)}{2}$
$=45\ cm^2$
Hence, the answer is $45\ cm^2$.
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