ABCD is a quadrilateral. AO and BO are the angle bisectors of
angle A and B which meet at O. If angle C = 70 degree, angle D = 50 degree. find
angle AOB
Answers
Answered by
4
Answer:
It is a quadrilateral triangle
Step-by-step explanation
Given = ABCD is a quadrilateral triangle
A and B which meet at the point O
If angle
C=70 deg , and angle D= 50 deg
find AOB in the quadrilateral triangle
Answered by
5
Answer:
60°
Step-by-step explanation:
Angles A+B+C+D= 360
Therefore A+B= 240
In trianngle AOB sum of angles is 180
A/2 + B/2 + O = 180
(A+B)/2 =120
O = 60°
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