Answer:
C) 132 sq. cm
Step-by-step explanation:
We must calculate the lateral area of a cylinder.
The formula is:
[tex]A=2\pi rH[/tex]
r - radius
H - height
We have H = 6 cm and r = 3.5.
Substitute:
[tex]A=2\pi(3.5)(6)=42\pi\ cm^2[/tex]
Use [tex]\pi\approx\dfrac{22}{7}[/tex]
[tex]A\approx42\left(\dfrac{22}{7}\right)=(6)(22)=132\ cm^2[/tex]
