Mathematics
If x° and (x + 30)° are complements of each other, find the value of x.
Lines & Angles
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Answer
Complementary angles sum = 90°
∴ x° + (x + 30)° = 90°
⇒ 2x° + 30° = 90°
⇒ 2x° = 90° - 30°
⇒ 2x° = 60°
⇒ x° =
⇒ x° = 30°
Hence, the value of x is 30°.
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