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Question

Find the altitude of the triangle whose area is 50 cm2 and the corresponding base is 20 cm---

A
3 cm
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B
4 cm
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C
5 cm
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D
None
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Solution

The correct option is C 5 cm
Let the altitude of the triangle be h cm.
We know that
Area of the triangle = 12 base × altitude
or 50 = 12×20×h
or h = 50×220=5cm
Hence, the altitude of the triangle is 5 cm.

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