Answer:
125.6 cm²
Step-by-step explanation:
Area inside the bigger circle but outside the smaller circle:
3.14 × (11² - 9²)
3.14 × 40
125.6 cm²
Answer:
$ 6.30
Step-by-step explanation:
A = P + I where
P (principal) = $ 6.00
I (interest) = $ 0.30
A = P(1 + r/n)nt
The cross section perpendicular to the base is a rectangle. The cross section parallel to the base is a pentagon similar to the pentagonal base. The solid is a cylinder.
B. 25
16 divided by 0.64 (the percentage as a decimal) = 25
The answer for #1 is: 1 feet 9.5 inches The answer for #2 is: 152 ounces
