Question

ABCD is a parallelogram, AB =4cm find CD=?. If angles angle A is 120° find angle B?
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Answer 1

Answer:

Step-by-step explanation:

Draw a line segment AB=4.5cm

⇒  Take B as center and draw an angle of 60o.

⇒  Cut off BC=5.5cm

⇒  Take A as with radius 4.8cm and draw an arc.

⇒  Take C as with radius 5cm and draw an arc, which cuts off previous arc at point D

⇒  Join CD and AD.

Answer 2

Step-by-step explanation:

angle B is 60 °

hope it helps