A sector of a circle has radius $11$ cm and angle $2$ radians. Calculate the length of the arc.

Question

A sector of a circle has radius $11$ cm and angle $2$ radians. Calculate the length of the arc. Calculate the area of the sector, giving each answer correct to 3 significant figures.

Accepted Answer

(a) $22$ cm; (b) $121\,\text{cm}^2$.

Sec 3/4 E Math Mock 1-Q21 - Mock Paper 1: Arc length and area of a sector

Sec 3/4 E Math Mock 1-Q21 - Mock Paper 1: Arc length and area of a sector

Solution:

Handwritten & Typed Solutions