Find the value of x in the right triangle

x◣x+1
7

1 answer

Nice graphic

(x+1)^2 = x^2 + 7^2
x^2 + 2x + 1 = x^2 + 49
2x = 48
x = 24

check:
25^2 = 625
24^2 + 7^2 = 576+48= 625 , yeahh