Need help figuring out how to determine the length of the sides of a right triangle? Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator 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 use the Pythagorean theorem to make right triangle calculations in basic geometry.
How To: Use the Pythagorean theorem in geometry
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How To: Use ">" (greater than) and "<" (less than) symbols
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How To: Prove a triangle inscribed in a circle is right angled
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How To: Convert between diameter and radius
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How To: Remember "greater than" & "less than" symbols
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How To: Calculate Faster Than a Calculator
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How To: Find the Percent Given Two Numbers
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How To: Find a slope of a straight line with: Ax + By + C = 0
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How To: Use a TI-89 to calculate nCr
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How To: Solve equations with the order of operations
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How To: Determine the age of a fossil using carbon-14
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How To: Calculate the area of complex shapes
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How To: Draw a rhombus from Geometry
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How To: Compute ratios in basic arithmetic
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How To: Do long division without a calculator
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How To: Calculate percent composition for chemistry
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How To: Find the area & perimeter of triangles & squares
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How To: Divide small numbers by big numbers
1 Comment
Nice job. The Pythagorean Theorem is so helpful in Geometry
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