Question

Find the area of the sector. use 3.14 for π

Answer 1

`\begin{gathered} \text{Given }\angle=144^o\text{ and r=10} \\ A=(\angle)/(360)\cdot\pi.r \\ A=(144^o)/(360)\cdot(22)/(7)\cdot10 \\ A=(88)/(7) \\ A=12.57 \end{gathered}`

The Area A is 12.57