Question

The angle are supplementary and the larger is 20 degree less than the three time the smaller

Answer 1

Answer:

Supplementary angles=180°.

Smaller no.=x°.

Larger no.=3x-20°.

(3x-20+x)°=180°.

4x=200°.

x=200/4.

x=50°.

Smaller no.=50°.

Larger no.=(50×3-20).

=130°.

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