45-45-90 Triangles

Presentation

•

Mathematics

•

8th - 12th Grade

•

Medium

•

CCSS

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

Standards-aligned

Kiffany Cody

Used 26+ times

FREE Resource

5 Slides • 13 Questions

45-45-90 Triangles

by Kiffany Cody

Youtube Tutorial

Copy and paste this link into your browser:

https://youtu.be/YbO9gOy0Np8

Show your work on a separate sheet of paper. 📓 📄✏

Multiple Choice

What is the length of y in this picture?

5√2

Multiple Choice

What is the length of x in this 45-45-90 triangle?

4√2

4√3

Multiple Choice

What is the value of x?

12√2

2√12

Multiple Choice

x=(7√2)/2 y=(7√2)/2

x=7√2 y=7√2

x=(7/2) y=(7/2)

x=14 y=14

Open Ended

What are you confused about so far?

Type response here

Youtube Tutorial

Copy and paste this link into your browser:

https://youtu.be/13gd2raOsxo

Multiple Choice

Find the value of x.

3 sqrt(2)

6 sqrt(2)

Multiple Choice

Find the value of y.

11√2

(11√2)/2

Multiple Choice

What is the length of y in this 45-45-90 triangle?

8√2

4√2

Multiple Choice

Use the 45-45-90 theorem to solve for the hypotenuse.

8√2

√16

Multiple Choice

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

7√2

49√2

7√7

Multiple Choice

Solve for a and b in the special right triangle.

a = 5, b = 5

a = 10, b = 10√2

a = 10√2, b = 10√2

a = 5√2, b = 5√2

Open Ended

What questions do you have about this topic?

How can I help you be more successful?

Type response here

Poll

How well do you think you've done on this assignment?

AWESOME

PRETTY GOOD

BARELY PASSED

I'M SURE I FAILED

Guidance

If you did not score a 70 or above, go back an take this again.

45-45-90 Triangles

by Kiffany Cody

Show answer

Auto Play

Slide 1 / 18

SLIDE

Similar Resources on Wayground

15 questions

Finding Zeros of a Function Lesson

Presentation

•

9th - 12th Grade

13 questions

Solving Logarithmic Equations

Presentation

•

9th - 12th Grade

13 questions

Solving Systems w/Matrices

Presentation

•

9th - 12th Grade

13 questions

Using the Unit Circle

Presentation

•

9th - 12th Grade

13 questions

Writing Linear Functions

Presentation

•

9th - 12th Grade

15 questions

Parallel and Perpendicular Lines

Presentation

•

8th - 12th Grade

12 questions

Writing Linear Equations From Two Points

Presentation

•

9th - 12th Grade

14 questions

Solving Systems of Equations

Presentation

•

7th - 12th Grade

Popular Resources on Wayground

10 questions

Safety Day 2026 – Student Review

Quiz

•

9th Grade

21 questions

Continents and Oceans

Quiz

•

6th Grade

20 questions

Parts of Speech

Quiz

•

5th Grade

16 questions

Subject & Predicate

Quiz

•

5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

12 questions

Map Skills

Quiz

•

3rd Grade

22 questions

Continents and Oceans

Quiz

•

5th Grade

15 questions

Rounding Decimals

Quiz

•

5th Grade

Discover more resources for Mathematics

20 questions

Rational and Irrational Numbers

Quiz

•

8th Grade

20 questions

Add and Subtract Integers

Quiz

•

6th - 8th Grade

20 questions

Slope from a Graph

Quiz

•

8th Grade

15 questions

Adding and Subtracting Integers

Quiz

•

6th - 8th Grade

20 questions

Proportional vs. Non-Proportional

Quiz

•

8th Grade

12 questions

Absolute Value Equations

Quiz

•

9th Grade

14 questions

finding slope from a graph

Quiz

•

8th Grade

24 questions

Explore Rigid Transformations and Congruence

Quiz

•

8th Grade