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Help me find the value of r in degrees
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Help me find the value of r in degrees

Help me find the value of r in degrees-example-1
User Biomehanika
by
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1 Answer

1 vote

Answer:

r = 57°

Explanation:

the 3 angles lie on a straight line and sum to 180° , that is

r + 34° + 89° = 180° ( simplify left side )

r + 123° = 180° ( subtract 123° from both sides )

r = 57°

User Oleg Ananiev
by
7.5k points
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