Mathematics
The measures of two complementary angles are in the ratio 1 : 5. What is the measure of the smaller angle?
- 15°
- 20°
- 25°
- 30°
Lines & Angles
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Answer
Let the angles be x and 5x
The question states that the angles are complementary:
∴ x + 5x = 90°
⇒ 6x = 90°
⇒ x =
⇒ x = 15°
Hence, option 1 is the correct option.
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