Question

in the figure triangle PAB is formed by 3 tangents to a circle with centre o . if angleAPB=40 degree find angle AOB​

Answer 1

see it is very simple,

<APB and <AOB are supplementry angles.

so, <APB+<AOB= 180°

40° + <AOB= 180°

<AOB= 180°-40°

<AOB = 140°. Ans

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