Question

Last question! Use the Pythagorean Theorem to determine if a triangle with side lengths of 8 inches, 20 inches, and 15 inches is a right triangle.
Answer= Yes? or No?

Answer 1

the pythagorean theorem says
\[ \large a^2+b^2=c^2 \]
c is the hypothenuse and is the longest side of the triangle
then you tell me
a=?
b=?
c=?

Answer 2

a=8
b=15
c=20
???

Answer 3

yes now square them and plug them into the equation

Answer 4

y=8^2+15^2=20^2
y=64+225=400 ?

Answer 5

a^2=64
b^2=225
c^2=400
tell me is it true that
\[ \large a^2+b^2=c^2 \]

Answer 6

no.

Answer 7

so is your triangle recrtangle?

Answer 8

no?

Answer 9

yes!
great job!

Answer 10

thank you!

Answer 11

u r welcome