Tangent BC touches the circle at the point A, if AD is the chord such that m(arcAD)=100°.Then find the measure of angle CAD
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we have to use tangent secant theorem
accoding to it angle (CAD)=half of m(arcAD)
therefore m(CAD)=50
accoding to it angle (CAD)=half of m(arcAD)
therefore m(CAD)=50
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