Geometryhard · Past Paper
If the angle between two tangents from P to a circle is 90 degrees and the radius is 5 cm, what is the length of each tangent?
A5 cm
B5 * sqrt(2) cm
C10 cm
D2.5 cm
✓ Correct Answer: A — 5 cm
If the angle is 90, the tangents and radii form a square. Thus, tangent length = radius = 5 cm.
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