Question

hipotenusa =x+1; catetos=√7 & x.calcule o valor de x

Answer 1

h²=c²+c²

(x+1)=(√7)²+x²

x²+2x+1=7+x²
x²-x²+2x=7-1

2x=6
x=6÷2
x=3

Answer 2

a² = b² + c²
(x + 1)² = (√7 )² + x²
x² + 2x +1 = 7 + x²
x² + 2x - x² = 7 - 1
2x = 6 
x = 6 : 2
 x = 3