Mathematics 10 — Exercise Review · Q10, arc

Full question

A sector has radius 5 cm and perimeter 16 cm. Find arc length.

Step-by-step solution

1. Perimeter=2r+l. Subtract the two radii: l=16−2×5.

2. Substitute the given numbers into the formula.

   $$16-10$$

3. Calculate this operation before combining the remaining terms.

   $$16-10=6$$

4. The required result is shown below. Unit: cm

   $$6$$

Answer

The final answer is shown below.