Question

in a parallelogram ABCD, ∆ A = 60° then find measure of ∆c ?​

Answer 1

Answer:

c=60

b, d=120

I hope you understand this is answer

Answer 2

Step-by-step explanation:

∠A=60

o

, therefore the opposite angle C=60

o

∠B=∠D [Rule of parallelogram] as they are opposite angles.

Let ∠B and ∠D be x

⇒x+x+∠A+∠B=360

o

[ sum of all sides of a polygon ]

⇒2x+60

o

+60

o

=360

o

⇒2x=240

o

⇒x=120

o

∴∠D=120

o

Hence, the answer is 120

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