3 years ago

What is the measure of

Mathematics

1 answer:

AleksandrR [38]3 years ago

3 0

Answer:

<Ber=<kem(vertically opposite angle)

9x-17=3x+31

9x-3x=31+17

6x=48

x=48/6=8

<kem=3×8+31=55°is answer

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