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Question
Two supplementary angles are in the ratio 5:4. What is the measure of the larger angle?
Options
80°
90°
20°
100°
MCQ
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Solution
100°
Explanation:
Total parts = 5 + 4 = 9.
The larger angle is `5/9` of 180°.
`5/9` × 180°.
= 5 × 20°
= 100°.
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