Pythagorean Theorem

Pythagorean Theorem

By Dana Kuramoto

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​Learning Target:

I can ​model and apply the Pythagorean Theorem to find missing side lengths and hypotenuse lengths in right triangles. I can explain a proof of the Pythagorean Theorem and its converse.

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Do Now:

Complete the handout and glue into notebook.​

​Pythagorean Theorem Finding Hypotenuse and Missing Leg

​Homework: Quizizz Pythagorean Theorem HW & IXL F.16 & F.18 (ALG 1)

​Do Now:

Multiple Choice

The Pythagorean Theorem ONLY works on which triangle?

• obtuse

• scalene

• isosceles

• right

Multiple Choice

Side c on a right triangle is ALWAYS the longest side.

• TRUE

• FALSE

Fill in the Blanks

How long is the hypotenuse of this triangle?

Multiple Choice

Which sides are the legs of the triangle

• 9 and 15

• 9 and 12

• 12 and 15

• 15

Multiple Choice

Is this a right triangle?

• YES

• NO

Multiple Choice

Is this a right triangle?

• YES

• NO

Multiple Choice

Is this a right triangle?

• YES

• NO

Multiple Choice

Is a triangle with side lengths of 12, 9, and 15 a right triangle?

• YES

• NO

Multiple Choice

Does a triangle with side lengths of 7, 4, and 4 have a 90 degree angle?

• YES

• NO

Multiple Choice

Find the missing side.

• 18

• 16

• 17

• 19

Multiple Choice

Find the missing side.

• 11

• 12

• 13

• 14

Multiple Choice

A triangle has legs that are 7 inches and 24 inches long. How long is the hypotenuse?

• 23

• 26

• 28

• 25

​Agenda

1. ​Quizizz Homework Assignment

2. IXL: F.16 Pythagorean Theorem (ALG 1)

3. IXL: F.18 Converse of Pythagorean Theorem (ALG 1)​

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