PQ is tangent to a circle with centre O. If OQ = a , OP = a+2 and PQ = 2b , then relation between a and b is

CBSE Class 10 Maths PYQ · Circles · Tangents & All · 1 Mark · March 2026 · Standard

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211 Mark · March 2026 · Standard

PQ is tangent to a circle with centre O. If OQ = $a$, OP = $a+2$ and PQ = $2b$, then relation between $a$ and $b$ is

• (a)$a^2 + (a + 2)^2 = (2b)^2$
• (b)$b^2 = a + 4$
• (c)$2a^2+1= b^2$
• (d)$b^2=a+1$

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(D) $b^2 = a +1$ (1 Mark)