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In the figure m(arc BC) = 137° M(arc PQ) = 41°find measure of angle BAC.By property of=m BAC=1/2=[ ]-[ ]m BAC=1/2=[ ]-[ ]m BAC =[ ] |
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Answer» ONG>Answer: (1) It is given that line AB is tangent to the CIRCLE at A. ∴ ∠CAB = 90º (Tangent at any point of a circle is perpendicular to the radius throught the point of contact) THUS, the measure of ∠CAB is 90º. |
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