Question

Find all the angle of parallelogram ABCD when given a data Angle B equal to 3 and angle ADB A4 access and angle DCB 2x

Answer 1

Answer:

1. AD = BC

[opposite angles are equal in parallelogram ]

2. ∆DCB = ∆DAB

[opposite angles are equal]

3. OC = OA

[diagonal bisect each other]

4.m∆DAB + m∆CDA = 180°

[Adjacent angles are supplementary]

Step-by-step explanation:

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