Mathematics · Circle
The equation of a circle with the origin as its centre, passing through the vertices of an equilateral triangle whose median is of length 3a, is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x2 + y2 = a2
- 2x2 + y2 = 4a2✓
- 3x2 + y2 = 16a2
- 4x2 + y2 = 9a2
Correct answer
x2 + y2 = 4a2
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