Mathematics
If z° and (z + 50)° are supplements of each other, find the value of z.
Lines & Angles
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Answer
Supplementary angles sum = 180°
∴ z° + (z + 50)° = 180°
⇒ 2z° + 50° = 180°
⇒ 2z° = 180° - 50°
⇒ 2z° = 130°
⇒ z° =
⇒ z° = 65°
Hence, the value of z is 65°.
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