Question

calcule a medida X nas figuras a seguir :​

Answer 1

Resposta:

a) x=90-45

x=45

b)3x=90-30

3x=60

x=60÷3

x=20

c)5x=90-40

5x=50

x=50÷5

x=10

d)x=180-15

x=165

e)2x=180-60

2x=120

x=120÷2

x=60

f)8x=180-100

8x=80

x=80÷8

x=10