Need to know how discover the area of a triangle or rectangle? From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the area and perimeter of rectangles and triangles.
 Hot
 Latest

How To: Find the Percent Given Two Numbers

How To: Calculate the area of a parallelogram

How To: Do long division without a calculator

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find a number given Its percent

How To: Remember "greater than" & "less than" symbols

How To: Identify characteristics of a sample during a survey

How To: Find the Slope Given 2 Ordered Pairs

How To: Translate a shape

How To: Find the slope from a set of points

How To: Calculate Faster Than a Calculator

How To: Divide small numbers by big numbers

How To: Find the slope of a line given 2 points with fractions

How To: Learn Calculus in 20 minutes

How To: Calculate the height and volume of a pyramid

How To: Find a missing coordinate given: coordinate & equation

How To: Write a logarithm as a sum or difference of logarithms

How To: Find the formula of a piecewise function given a graph

How To: Convert fractions to percents in two steps

How To: Find the Percent Given Two Numbers

How To: Calculate the area of a parallelogram

How To: Do long division without a calculator

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find a number given Its percent

How To: Remember "greater than" & "less than" symbols

How To: Identify characteristics of a sample during a survey

How To: Find the Slope Given 2 Ordered Pairs

How To: Translate a shape

How To: Find the slope from a set of points

How To: Calculate Faster Than a Calculator

How To: Divide small numbers by big numbers

How To: Find the slope of a line given 2 points with fractions

How To: Learn Calculus in 20 minutes

How To: Calculate the height and volume of a pyramid

How To: Find a missing coordinate given: coordinate & equation

How To: Write a logarithm as a sum or difference of logarithms

How To: Find the formula of a piecewise function given a graph

How To: Convert fractions to percents in two steps
Be the First to Comment
Share Your Thoughts