hey there here is your answer 60 degree
Answer:
b) 40°
We know that, sum of angles on a straight line is 180°.
So, We see that ABCD is a quadrilateral
And we don't know angle A..
So angle A= 180-55
=125°
Angle B= 180-60=120°
Angle D is 75°
(SUM OF ALL ANGLES IN QUADRILATERAL IS 360°)
So...
A+B+C+D= 360°
125+120+75+C=360°
320+C=360°
C= 360-320
Correct answer is B) 40°
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hey there here is your answer 60 degree
Verified answer
Answer:
b) 40°
We know that, sum of angles on a straight line is 180°.
So, We see that ABCD is a quadrilateral
And we don't know angle A..
So angle A= 180-55
=125°
Angle B= 180-60=120°
Angle D is 75°
(SUM OF ALL ANGLES IN QUADRILATERAL IS 360°)
So...
A+B+C+D= 360°
125+120+75+C=360°
320+C=360°
C= 360-320
C = 40°
Correct answer is B) 40°