Question

in □ m ABCD ,m angle A=x find m angle B = ______​

Answer 1

Answer

Anytwoadjacentanglesofaparallelogramaresupplementary.

So∠A+∠B=180

o

⇒x+3x+20=180⇒4x=160⇒x=40

So∠A=40

o

,∠B=3×40+20=140

o

Opposite angles of a parallelogram are equal.

So∠C=∠A=40

o

,∠D=∠B=140

Answer 2

Answer:

please explain the question properly

Step-by-step explanation:

if, cyclic quadrilateral A = x

then B= cannot answer.

but C= 180-x