Question

calcule o ângulo desconhecido?​

Answer 1

a) 50+50+x = 180

x = 180-100

x = 80°

b) 2x+3x+4x = 180

9x = 180

x = 180/9

x = 20°

c) 4x+5x+45 = 180

9x = 180-45

9x = 135

x = 135/9

x = 15

d) x+2x+3x = 180

6x = 180

x = 180/6

x = 30°

✨ Prontinho ✨

19/08