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Sagot :
Answer:
- The angles are 80° and 48°.
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Let the angles be x and y.
Their ratio is 5/3:
- x/y = 5/3
Their sum is 128:
- x + y = 128
Solve the system by substitution:
- x = 5y/3
- x + y = 128
- 5y/3 + y = 128
- 8y/3 = 128
- y = 3*128/8
- y = 48
Find x:
- x = 128 - 48 = 80
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