Mathematics, 09.09.2020 22:01 nickname0097

4.In a parallelogram ABCD ,if ∠A=( 3x-20)°, ∠B= (y+15)°, ∠C= (x+40)°, then find the measures of angles of parallelogram.

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4.In a parallelogram ABCD ,if ∠A=( 3x-20)°, ∠B= (y+15)°, ∠C= (x+40)°, then find the measures of angl...

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