Question:medium

Radius of the circle $x^{2} + y^{2} + z^{2} = 169, x - 2y + 2z = 15$ is}

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The sphere radius ($R$), circle radius ($r$), and distance to plane ($d$) form a right-angled triangle: $r^2 + d^2 = R^2$.

Updated On: Jul 3, 2026

4
12
13
6

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The Correct Option is B

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