Question

Find the length of a sector with central angle 180 and radius 7cm

• A. 22 cm
• B. 36 cm
• C. 7 cm
• D. 44 cm

Answer 1

Answer:

A. 22 cm

Length of a sector$= 2\pi{r}\times\theta/360$

$=2\times22/7\times7\times180/360$

$=22cm$