Answer:A= 21 cm2
= 3.25 in2
= 3 in2
Step-by-step explanation:
2.8 in = 7.112 cm
= 7 cm
A = [tex]\pi[/tex][tex]r^{2}[/tex] * [tex]\frac{49}{360}[/tex]
= 22/7*7*7*49/360
= 20.96
= 21 cm2