Question

Area of a right triangle is 180 cm², if its base is 40 cm, find its perimeter.

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Answer 1

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QUESTION :- Area of a right triangle is 180 cm², if its base is 40 cm, find its perimeter.

ANSWER :- Using the formulas

A=ab

P=a+b+a2+b2

P=a+a2+4(Aa)2+2A

a=40+402+4·

(18040)2+2·180

40=90cm

Hence Perimeter =90cm..

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