Find the length of a tangent drawn to a circle with radius 5 cm, from a point 13 cm from the centre of the circle.

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
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Given: PQ is a tangent to the circle intersect at OP=13cm and OQ=5 cm
Q2a.png
Q2b.png
Therefore the length of the tangent from the point is 12 cm