The difference between the sides at right angles a right angled triangle is14cm .The area of the triangle is 120cm squared . Calculate the perimeter of the triangle
Open in App
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