Question

In a 11 gm ABCD , /_ D = 135 degree determine the measure of /_ A , /_ B and /_ C . ?

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Answer 1

Step-by-step explanation:

angle D = angleB(opposite Angles of parallelogram are equal)

Angle B = 135(angle D is equal to 135°)

Angle D + Angle A=180°(adjacent angle of parallelogram)

135°+angle A=180°

angle A=180°-135°

angle A=45°

now, angle A= angle B(opposite Angles of parallelogram are equal)

angle B=45°