Answer: 4 cm
Area of sector \(=\dfrac{l\times r}{2}\)
\[30=\frac{l\times15}{2}\Rightarrow l=\frac{60}{15}=4\ \text{cm}\]
1 answer
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
Report
Was this answer helpful?
Thanks for the feedback.
Sign up free to save answers and ask your own doubts
Your answer
Log in or create a free account to answer this question.