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Find m∠A with arc DB = 35° arc BC = 115° and ray AB being tangent tp the circle as shown

Find m∠A with arc DB = 35° arc BC = 115° and ray AB being tangent tp the circle as-example-1
User Koddo
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1 Answer

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Mess of angle external to a circle: mes angle A = (mes Arc BC - mes Arc DB)/2

mes Angle A =(115-35)/2 = 40°
User Dhalfageme
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