Question

The side of a right angled triangle are x-1 cm ,3x cm and 3x+1 cm find x

Answer 1

Answer:

the value of 'x' = 8 cm

Step-by-step explanation:

(3x+1 )² = (3x)² + ( x-1 )²

9x ²+ 6x +1 = 9x ²+ x² - 2x + 1

x² - 8x = 0

x(x-8 )=0

x- 8 = 0

x = 8 cm