Question

Me ajudem nessa aq pfvr6

Answer 1

Resposta:

Explicação passo a passo:

a

15²=12²+B²

225=144+B²

B²=225-144

B²=81

B=√81

B=9

b

x²=12²+5²

x²=144+25

x²=169

x=√169

x=13

c

x=y+z

13²=y²+5²

169=y²+25

y²=169-25

y²=144

y=√144

y=12

5²=4²+z²

25=16+z²

z²=25-16

z²=9

z=√9

z=3

x=y+z

x=12+3

x=15