A chord $AB$ of a circle has length $14$ cm. The circle has centre $O$ and radius $14$ cm. T

Question

A chord $AB$ of a circle has length $14$ cm. The circle has centre $O$ and radius $14$ cm. The perpendicular from $O$ meets $AB$ at $M$. State the length of $AM$. Calculate $OM$, giving your answer correct to 3 significant figures.

Accepted Answer

(a) $7$ cm; (b) $12.124$ cm.

Sec 3/4 E Math T11-Q29 - Perpendicular from the centre to a chord

Sec 3/4 E Math T11-Q29 - Perpendicular from the centre to a chord

Solution:

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