Question

calcule x na figuras abaixo​

Answer 1

a)

(3√11)²=(3√2)²+x²

99-18=x²

√81=√x²

x=9

B)

(3x)²=(5√3)²+(2x)²

3=75+2

x=√77

c)

(2x)²=(3√2)²+x²

2=18+x²

18-2=x²

√16=√x²

x=4

D)

(x+1)²=3²+x²

1=9+x²

9-1=x²

√8=√x²

x=2√2