The difference between the sides at the right angles in a right-angled triangle is 7 cm. the area of the triangle is 60 cm^2 . Find its perimeter.
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Answer: let one side be x so the other will be x+7 are of triangle = 1/2*B*H = 60
B*H = 120
x*(x+7)=120
x^2+7x= 120
X= 8
Step-by-step explanation:
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