In figure O is the centre of the circle. If OAC = 20° and angle
OBC =40° find angle OAB
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your answer ......................…………………………………
angle oac = 20°
angle obc = 40°
angle oab = 320°
40 + 20 = 60
360- 60= 320
angle oac = 20°
angle obc = 40°
angle oab = 320°
40 + 20 = 60
360- 60= 320
talibbeiggcet:
it's wrong dude
Answered by
1
hope it helps dear...
I used two theorms
1. the angle between the tangent and radius =90
2. the angle between two lines is equal to angle between their perpendiculars
I used two theorms
1. the angle between the tangent and radius =90
2. the angle between two lines is equal to angle between their perpendiculars
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