Question

An angle of a parallelogram is 30° less than its adjacent angle. Fimd the measure s of all its angle.

Answer 1

Let the angles be x and y.
(X is greater than y)
x-y =30
x+y= 180.
2x=210
x=105.
Y=75.
Other are also 105&75.

Answer 2

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Let the angle x and y

Angle of parallelogram is = 30°

Solution :-

x - y = 30°

x + y = 180°

x + x + y - y = 180° + 30°

2x = 210°

x = 105°

x - y = 30

105 - y = 30°

105 - 30 = y

y = 75°

Therefore :-

x = 105°

y = 75°