The area of rhombus is 80 sq cm and its perimeter is 80 cm The length of its altitude is

2 cm

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8 cm

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4 cm

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2.5 cm

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Solution

The correct option is B 4 cm
$S i d e = \frac{80}{4} c m = 20 c m$
Now, side $\times$ corresponding altitude = area
$\Rightarrow 20 \times h = 80 \Rightarrow h = 4 c m .$

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