Question

.Find the area of the sector with radius 4 and central angle, ∅= 45°

Answer 1

Remember that the formula for the area of a sector is:

`A=(\pi\cdot r^2\cdot\theta)/(360)`

Where:

• r, is the radius

,

• Theta ,is the central angle (in degrees)

Using this formula and the data given,

`\begin{gathered} A=(\pi\cdot4^2\cdot45)/(360) \\ \rightarrow A=2\pi \end{gathered}`