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Find the altitude of a parallelogram whose area is $54 dm 2$ and base is 12 dm.

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2 dm

4.5 dm

3.7 dm

5.2 dm

answer is D.

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Detailed Solution

Given a parallelogram whose area is

54 dm 2

and base is 12 dm.
Assume, altitude of the parallelogram = x dm.
The area is,

area = base × height

⇒ 54 = 12 × x

⇒ x = 5412

⇒ x = 4.5

The altitude is 4.5 dm.
Hence, option 2 is correct.

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