alex5419
alex5419 alex5419
  • 12-03-2019
  • Mathematics
contestada

How would I solve questions 22 & 23?

How would I solve questions 22 amp 23 class=

Respuesta :

HardiShah
HardiShah HardiShah
  • 12-03-2019
In a parallelogram, adjacent angles make 180°

So in 22

11x + 11 + 70 = 180
11x = 99
x = 9

In 23

12x + 10 + 50 = 180
12x = 120
x = 10
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