Question

Explain property adjacent angles are supplementary in a quadrilateral

Answer 1

Answer:

The sum of all the angles in a quadrilateral are equal to 360°.

A+B+C+D=360°

The adjacent angles in a quadrilateral are supplementary

A+B=180°

C+D=180°

A+B+C+D=360°

180°+180°=360°

360°=360°

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