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3 years ago

Angle x and angle y are complementary. angle x is supplementary to a 128 angle.What are the measures of angle x and angle y?

Mathematics

1 answer:

aleksandr82 [10.1K]3 years ago

7 0

Answer:

y = 38°

Step-by-step explanation:

If Angle x and angle y are complementary, then x + y = 90°

Also, if angle x is supplementary to a 128 angle, then x + 128° = 180°.

Solving the latter equation for x, we get x = 52°.

Therefore, by the first equation, x + y = 90° becomes 52° + y = 90°, yielding

y = 38°

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