Trying to find the surface area of a sphere? Already know the radius? Then plug that value into the formula for the surface area of a sphere and solve to get the answer! This tutorial shows you how!

Keywords:

sphere

surface area

cylinder

relationship between cylinder and sphere

Background Tutorials

select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems

Check out this tutorial where you'll see exactly what order you need to follow when you simplify expressions. You'll also see what happens when you don't follow these rules, and you'll find out why order of operations is so important!

use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution

Is an irrational number just a way to describe a number that's lost its mind? Not really. :) An irrational number is simply a number that cannot be written as a fraction. Check out the definition, learn an important property of these special numbers, and take a look at some examples of irrational numbers.

Further Exploration

Apply the formulas for the total and lateral surface area of three-dimensional figures, including prisms, pyramids, cones, cylinders, spheres, and composite figures, to solve problems using appropriate units of measure

Want to know how the find the lateral and surface areas of a cylinder? Then this tutorial was made for you! You'll see how to apply each formula to the given information to find the lateral area and surface area. Check it out!