In the given figure, OC is perpendicular to the chord AB. If AB = 8 cm, then the value of BC is .

6 cm

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8 cm

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4 cm

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3 cm

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Solution

The correct option is C 4 cm
In the given figure, $O C ⊥ A B,$ and AB = 8 cm.
A perpendicular drawn from the centre of the circle to a chord divides the chord into two equal parts,
$∴ A C = C B$
$B C = \frac{A B}{2}$
BC = 4 cm
Hence, the value of BC is 4 cm.

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In the given figure, OC is perpendicular to the chord AB. If AB = 8 cm, then the value of BC is .

The correct option is C 4 cmIn the given figure,OC⊥AB, and AB = 8 cm. A perpendicular drawn from the centre of the circle to a chord divides the chord into two equal parts, ∴AC=CB BC=AB2 BC = 4 cm Hence, the value of BC is 4 cm.

The correct option is C 4 cm
In the given figure, $O C ⊥ A B,$ and AB = 8 cm.
A perpendicular drawn from the centre of the circle to a chord divides the chord into two equal parts,
$∴ A C = C B$
$B C = \frac{A B}{2}$
BC = 4 cm
Hence, the value of BC is 4 cm.