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Arc length
s = rθ
Where: r = radius, s = semi-perimeter / arc length, θ = angle
Solved example
Given: r = 7, theta = 5
Find: s (semi-perimeter / arc length)
- Formula: s = r·θ
- Substitute the values: s = 5·7
- Result: s = 35
Answer: s = 35
Calculator
How to calculate Arc length
- Write down the formula: s = rθ.
- Note the known values (r, θ).
- Substitute them and simplify to find s.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Arc length?
The formula is s = rθ, where r = radius, s = semi-perimeter / arc length, θ = angle.
What is Arc length when r = 7, theta = 5?
s = 35. Substitute the values into s = rθ and simplify.