dieconstanza78
dieconstanza78 dieconstanza78
  • 23-11-2020
  • Mathematics
contestada

ZA and B are supplementary
mZA= 2n and mZB = 3n + 20
Find mZB
Am B = 12
B) mzB = 62
m B= 116
Dm B = 148

ZA and B are supplementary mZA 2n and mZB 3n 20 Find mZB Am B 12 B mzB 62 m B 116 Dm B 148 class=

Respuesta :

ddss1972
ddss1972 ddss1972
  • 25-11-2020

Answer:

< A+< B =180

2n + 3n +20 =180

5n = 160

n = 32

(B= 116 ..........

answer is C

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