.
Solve the following.
Calculate the area, given each diameter. Use r = 3.14.
1.
а. .
84 mm
f.
13.4 units
b.
2.8 m
g.
121 cm
C.
h.
65 in
14
cm
3
0.14 m
d.
i.
11 mm
e.
17 ft
j.
21.98​