Question

Determine x , sabendo que os ângulos são complementares:

Answer 1

Complementares = 90º

a)

x + 70 = 90

x = 90 - 70

x = 20

b)

x + 40,33 = 90

x = 90 - 40,33

x = 49,66

d)

2x + 4x + 3x = 90

8x = 90

x = 90/8

x = 11,25

e)

x + x + 20 = 90

2x = 90 - 20

2x = 70

x = 70/2

x = 35

Resposta:

a) 20

b) 49,66

d) 11,25

e) 35

Answer 2

Resposta:

a)x + 70=90

x=90-70=x

x=20

b)x +20 + x=90

2x=90-20

x=70/2

x=35

c)x +42x=90

x 90-42

x=48

d)3x+2x4x=90

9x=90

x=90/9

x=10