Answer: Angles are 33°,147°,33° &147°

Step-by-step explanation:

The opposite angles of a parallelogram are equal so,

(63-3x)=(4x-7)

63+7=4x+3x

70=7x

x=10

(63-3x)=63-3(10)

=63-30

=33°

Also, 4x-7=4(10)-7

=40-7

=33°

Two adjacent angles are supplementary so,

Let the adjacent angle of (4x-7) is y.

33+y°=180

Y=180-33

Y=147°

Opp angle to y is also 147°

Answer:

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