Question

Two angles are supplementary .if one of them is one third of the other find the angle

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

supplementary angle add up to 180°

let one angle be x

another=1/3 of x=1/3×x

x+x=180°

1   3    

by cross multiplying

3x+x=180°

  3       1

by cross multiplying

4x=180°×3

4      4

x=45×3

x=135°

1/3 of 135°

1×135°=45°

3

∴one angle is 135°

  another is 45°

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