The perimeter of the triangle whose sides are $20 c m, 25 c m a n d 30 c m$ is ...........

45 c m

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75 c m

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150 c m

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60 c m

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Solution

The correct option is B $75 c m$
Perimeter of a triangle = $s i d e_{1} + s i d e_{2} + s i d e_{3}$
= $20 + 25 + 30 = 75 c m$

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