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Question

An equilateral triangle has length of each edge as 25cm. If the side of the triangle is increased by 30%, then find the increased length of its side.


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Solution

Length of equilateral triangle=25cm

increase of side=30%of original side

=30100×25

=7.5cm

New Length of an equilateral triangle=25+7.5=32.5

Hence, the new length of an equilateral triangle is 32.5cm.


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