Question

In the given figure, find the value of “a”.

Answer 1

Answer:

10

Step-by-step explanation:

BE is a straight line therefore all angles lying on that line must add up to 180°

considering the centre or the point where all lines intersect as point O

angle BOC = angle FOE =40° (alternate angles have same measures)

angle AOF + angel FOE + angle AOB =180°

angle AOB = 180°-(AOF+FOE) = 180-130 =50

angle AOB = angle DOE =50° (alternate angles)

5a = 50°

a=50÷5=10

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