Answered

Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

if 1 gallon of paint covers 400 sq feet, about how many gallons of paint are needed to paint the outside of a spherical tank of diameter 20 feet?

Sagot :

[tex]diameter\ d=20ft;\ d=2r\ (r-radius)\\\\2r=20ft\to r=10ft\\\\Surface\ area\ of\ the\ a\ spherical\ tank:A=4\pi r^2\\\\A=4\pi(10^2)=400\pi\approx400\times3.14=1256\ (ft^2)\\\\\\1256:400=3.14\\\\Answer:Needed\ more\ than\ 3\ gallons\ of\ paint\ (\approx3.15\ gallons).[/tex]
Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.