Pythagorean Theorem Basics

Presentation

•

Mathematics

•

8th - 10th Grade

•

Medium

•

CCSS

8.G.B.8, 8.G.B.7, HSG.CO.C.10

Standards-aligned

Casey Jackson

Used 33+ times

FREE Resource

3 Slides • 13 Questions

Pythagorean Theorem Basics

By the end of the lesson, you will be able to use the Pythagorean theorem and its converse.

Pythagorean Theorem & Converse

Watch the video
Record the examples and information on the notes page or in your notebook.
Complete the "You Try" and check your work with Mrs. Jackson.
Then, continue the rest of the lesson to get at least an 80%

Multiple Choice

True or False: The Pythagorean Theorem can be used to solve acute or obtuse triangles.

True

False

Multiple Choice

The longest side of a right triangle is called the...

leg A

leg B

hypotenuse

right angle

Multiple Choice

The longest side of a right triangle is DIRECTLY ACROSS from the...

right angle.

acute angle.

obtuse angle.

Multiple Choice

In the given triangle, which side is the hypotenuse?

not enough information

Multiple Choice

Side c on a right triangle is ALWAYS the longest.

True

False

Multiple Choice

What is the opposite of squaring a number?

divide

multiply

fractions

square root

Multiple Choice

Which set of sides would make a right triangle?

4,5,6

8,10,12

5,12,13

5,10,12

Finding the Missing Side of a Right Triangle

Watch the video
Record the examples and information on the notes page or in your notebook.
Complete the "You Try" and check your work with Mrs. Jackson.
Then, continue the rest of the lesson to get at least an 80%

Multiple Choice

On your own paper, write an equation using the Pythagorean Theorem and solve for x.

x = 15

x = 7.9

x = 21

x = 225

Multiple Choice

Level 2

Solve for the value of y

Multiple Choice

Level 3

Find the length of the missing side.

20 in.

68 in.

16 in.

80 in.

Multiple Choice

What is the final step in solving this work for c?
a² + b² = c²
3² + 4² = c²
9 + 16 = c²
25 = c²

Divide both sides by 2

Take the square root of both sides

Multiple Choice

Determine the length of the missing side.

Poll

How well did you understand this lesson?

Pythagorean Theorem Basics

By the end of the lesson, you will be able to use the Pythagorean theorem and its converse.

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