Question

Alguem sabe resolver essa conta ?

Answer 1

x+75+85=180
x+160=180
x=180-160
x=20

Answer 2

Sendo um triangulo retangulo, basta aplicar pitagoras

a²+b² = c²
75²+85² = c²
5625+7225 = c²
12850 = c²
C = √12850
C = 113,35 m