Answer:
(Since 3.14 seems more reliable, I'll use that for all four instead)
A: 17.6 ft
B: 81.6 mm
C: 9 cm
D: 12 in
Step-by-step explanation:
A:
[tex]2(2.8)*3.14\\5.6 * 3.14\\17.584 approx. = 17.6[/tex]
B:
[tex]2(13)*3.14\\26 * 3.14\\81.64 approx. = 81.6[/tex]
C:
[tex]\frac{56.5}{6.28}=\frac{2825}{314}=8\frac{313}{314}approx. = 9[/tex]
D:
[tex]\frac{75.4}{6.28}=\frac{1885}{157}=12\frac{1}{157}approx. = 12[/tex]
