Unit 1.7 - applying the Pythagorean theorem
what we need to know
- Right angles and right triangles
- Identifying the hypotenuse: the longest leg AND/OR the leg that is straight across from the right angle
- Understand the Pythagorean theorem, and how all the sides (legs and hypotenuse) are related to each other.
- Identifying the hypotenuse: the longest leg AND/OR the leg that is straight across from the right angle
- Understand the Pythagorean theorem, and how all the sides (legs and hypotenuse) are related to each other.
class notes
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more information
Before we discuss how to apply the Pythagorean Theorem, let's review the formulas that you will be using:
In here, c is the hypotenuse, whereas a and b are the legs.
applying the Pythagorean theorem
To apply the Theorem:
- If not already done, dram the right triangle. You will definitely be given two sides, and sketching a right triangle will help you determine which sides are given, and which side you have to find.
- Make sure you assign letters to each of the legs, and to the hypotenuse.
- Once you identify the leg that you need to find, identify the correct formula.
- If not already done, dram the right triangle. You will definitely be given two sides, and sketching a right triangle will help you determine which sides are given, and which side you have to find.
- Make sure you assign letters to each of the legs, and to the hypotenuse.
- Once you identify the leg that you need to find, identify the correct formula.
Examples
Finding a leg Finding the hypotenuse
videos that may help
examples in sports
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online interactive activities
If you have time, check this really cool article out:
WORKSHEETS
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review - workbook
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