Question

In ❑ᵐABCD, m∠A - m∠B = 30. Find m∠C and m∠D.

Answer 1

$sum \: ofadjecent \: angles \: inparallegram \: is \: {180}^{0}$
A+B=180........(1)
given
A-B=30.........(2)
adding of (1),(2)
2A=210
A=105
so,B =75
in 'll opposite angles are equal
C=105,D=75