find the length of a tangent drawn from a point,which is 15cm away from centre of circle having 9cm as radius
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Answer:
12 cm
Step-by-step explanation:
Radius = 9 cm
Length of Tangent = √(Length away from point)² - (Radius)²
= √15² - 9²
= √225 - 81
= √144 = 12 cm
Hence Length of Tangent = 12 cm
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