Question

Find the area of the triangle whose perimeter is 60cm

Answer 1

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Answer 2

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Here is your answer


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Perimeter of triangle is 60 cm


triangle has three sides = 60cm

3x = 60

x = 60 / 3

x = 20cm


semi perimeter = 60 / 2 = 30 cm
Using Herons formula

√S ( S - a) ( S - b) ( S - c )


√ 30 ( 30 - 20 ) ( 30 - 20 ) ( 30 -20)

√30 * 10 * 10 * 10


√30,000

100√3 cm



hence answer is 100√3 cm²


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