SOLUTION: Two supplementary angles are in the ratio 3:7. Find the angles ?

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Question 768843: Two supplementary angles are in the ratio 3:7. Find the angles ?
Answer by lenny460(1073) About Me  (Show Source):
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Two supplementary angles are in the ratio 3:7. Find the angles ?

Let the two angles be 3x and 7x.
Supplementary angles add up to 180 degrees.
Therefore:
3x + 7x = 180
10x = 180
x = 18
3x = 3 * 18 = 54
7x = 7 * 18 = 126


Answer:
The two angles are 54 degrees and 126 degrees.







Lennox Obuong
Algebra Tutor
Nairobi, Kenya
Email: lennoxobuong@yahoo.com