Geometryhard · Past Paper
The length of the common chord of two intersecting circles is 24 cm. If their radii are 13 cm and 15 cm, find the distance between their centers.
A10 cm
B12 cm
C14 cm
D16 cm
✓ Correct Answer: C — 14 cm
Distance = sqrt(13^2 - 12^2) + sqrt(15^2 - 12^2) = 5 + 9 = 14 cm.
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