deangeloyfn5 deangeloyfn5
  • 20-03-2020
  • Mathematics
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What is the answer to this question

What is the answer to this question class=

Respuesta :

fayemioluwatomisin
fayemioluwatomisin fayemioluwatomisin
  • 22-03-2020

Answer:x=21°

Step-by-step explanation:

Using elementary theorem

5x°+3x°+12°=180° ( angle on a straight line)

8x=180-12

8x=168°

x=21°

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