If the tangents PA and PB from an external point to a circle with centre O are inclined to each other an angle of 40°. then POA =
1
A) 70
B) 80
C) 50
D) 60
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If the tangents PA and PB from an external point to a circle with centre O are inclined to each other an angle of 40°. then POA =
1
A) 70
B) 80
C) 50
D) 60
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