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Question

Find the base of a triangle whose area is 220 cm2 and height is 11 cm.

A
40 cm.
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B
20 cm.
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C
50 cm.
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D
None of these
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Solution

The correct option is A 40 cm.
Area of a triangle=12×base×height

So, 220cm2=1/2×base×11

base=220×211=40cm

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