*The length of a tangent drawn from a point at a distance of 15 cm of circle is 12 cm. The radius of the circle is …………*
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The radius of the circle is 5cm
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Given : The length of a tangent drawn from a point at a distance of 15 cm of circle is 12 cm
To Find: The radius of the circle
1️⃣ 8 cm
2️⃣ 9 cm
3️⃣ 10 cm
4️⃣ 11 cm
Solution:
Applying Pythagoras theorem :
15² = 12² + (radius)²
=> 225 = 144 + (radius)²
=> 81 =(radius)²
=> 9² =(radius)²
=> 9 = radius
Radius of circle is 9 cm
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