Asked by bruh
A spherical balloon has a circumference of 25 cm.
a.) What is the approximate surface area of the balloon to the nearest square centimeter?
b.) What is the approximate volume of the balloon to the nearest cubic centimeter?
a.) What is the approximate surface area of the balloon to the nearest square centimeter?
b.) What is the approximate volume of the balloon to the nearest cubic centimeter?
Answers
Answered by
oobleck
recall that
A = 4πr^2
V = 4/3 πr^3
and since C = 25, r = 25/(2π)
A = 4πr^2
V = 4/3 πr^3
and since C = 25, r = 25/(2π)