Mathematics · Geometry
PAB is a tangent at point A on a circle with centre O, and AC is a chord such that ∠CAP = 30°. If CD⊥OA and DE⊥OC, then find the length of EC, given that the radius of the circle is 12 cm.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16√3 cm
- 29 cm✓
- 36 cm
- 45 cm
Correct answer
9 cm
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