Pythagorean Theorem and Its Converse

● Can only use in a

RIGHT triangle

Multiple Choice

What type of triangle can you use the Pythagorean Theorem?

• A small one

• Any Triangle

• A Right Triangle

• An Isosceles

● A and b are legs

of the triangle

● C is ALWAYS the

hypotenuse

Draw

Circle the number that is the hypotenuse.

Multiple Choice

Which equation is set up properly to use the pythagorean theorem with this picture?

• $$15^2+x^2=18^2$$  

• $$15^2+18^2=x^2$$  

• $$18^2+x^2=15^2$$  

Multiple Choice

What is the length of the missing side?

•  21.4

•  Does not show

•  23.4

Multiple Choice

What is the correct formula for the picture.

• $$9^2+14^2=x^2$$  

• $$x^2+14^2=9^2$$  

• $$9^2+x^2=14^2$$  

Multiple Choice

What is the solution to x?

•  10.7

• 16.6

•  114.5

Draw

Write the lengths of the sides of the triangle for the following scenario. You do not need to solve!

Jimmy put a the base of a ladder 5 feet from the base of a wall that is 13 feet tall. How long is the ladder?

Multiple Choice

What type of triangle do these 3 lengths make?

12, 15, 7

• Acute

• Obtuse

• Right