Question

in the figure ABCD is 11gm a=70​

Answer 1

Answer:

In a parallelogram, opposite angles are always equal.

⇒∠A=∠C and ∠B=∠D

as ∠A=70o⇒∠C=70o

Also ∠A+∠B+∠C+∠D=360o

⇒∠B+∠D=360o−140o

⇒2∠B=220o

⇒∠B=110o

⇒D=110o