The difference between the sides at right angle in a right angle triangle is 14 cm the area of the triangle is 120 CM square calculate the perimeter of the triangle
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Solution
Let one side at right angle be x the other must be x-14
area of a triangle =(1/2) × (height) (base) 120 = (1/2)(x)(x-14) 120 = (x^2 -14x)/2 240 = x^2 -14x