Question 49
Circle TheoremsIn a circle of radius 10cm, a cord of length 10cm is xcm from its centre where x is
- A.10√2
- B.5√3
- C.10√3
- D.5√2
- E.10.
Show the answer and explanation
Answer: B (5√3)
Explanation
The perpendicular from the centre bisects the chord, so x² = 10² − 5² = 75 and x = 5√3cm.