If in parallelogram ABCD the sum of angles A, B and D is equal to 250 degrees, then what is angle A?

univerkov | August 13, 2021 | education

When solving the problem, it will help to know that the opposite angles in the parallelogram are equal in pairs, and the sum of all the angles is 360⁰. It follows that:

<A = <C;

<B = <D;

<A = <C = 360⁰ – (<A + <B + <D) = 360⁰ – 250⁰ = 110⁰.

Answer: Angle A is 110⁰.

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