Answer:
12.8 cm^2
Step-by-step explanation:
Angle subtended by the sector=70
Radius of the circle= 21 cm
Area of the sector =[tex]\frac{given angle}{360}[/tex] x [tex]\pi r^{2}[/tex]
= [tex]\frac{70}{360}* \frac{22}{7}*21\\\\\frac{70}{360 } *22*3\\\frac{77}{6}\\ 12.8[/tex]
