Printable worksheet ยท 4 of 4
A tangent meets its radius at a right angle - Paper 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Circle centre O has radius 15 cm. P is external with OP=39 cm. PT and PU are tangents touching at T and U. OT and OU are radii. The tangent-radius theorem gives a right angle at each contact point; OP joins the centre to the external point, not to the circle.
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