Two chords and of a circle intersect at point inside the circle. If , and , find .
Answer
7.5 cm
The correct answer is 7.5 cm — Solve for : .
Step-by-step solution
- Apply the intersecting chords theorem: .
- Substitute the known lengths: .
- Solve for : .
Common mistake: Using instead of on the left side of the equation.
Concept tested: Intersecting chords theorem
Published · How this solution was prepared and checked
Related questions
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