A circle has centre and radius units

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

A circle has centre

O(0,0)

and radius

10

units. The line

y = 8

meets the circle at points

A

and

B

. Find the length of chord

AB

. (a)

16\text{ units}

(b)

12\text{ units}

(c)

20\text{ units}

(d)

18\text{ units}

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