Asked by Ziying
Hello! I'm stuck on Pythagorean theorem in basic geometry in math. This is the question.Which side lengths form a right triangle?
Choose all answers that apply:
A. 3, v``9`, v``18`
B. 3,4,5
C. 7,7, v``98`
I don't know how to make the line at the top so I just put this ` instead.
Choose all answers that apply:
A. 3, v``9`, v``18`
B. 3,4,5
C. 7,7, v``98`
I don't know how to make the line at the top so I just put this ` instead.
Answers
Answered by
Ziying
There are a lot of these geometry questions that I need help with. Especially with Pythagorean theorem questions like this.
Answered by
oobleck
The Pythagorean Theorem states that for a right triangle with sides a and b, and hypotenuse c,
a^2 + b^2 = c^2
So, you just need to check to see which numbers obey that equation.
Does 3^2 + 9^2 = 18^2 ?
9 + 81 = 324?
I think not.
a^2 + b^2 = c^2
So, you just need to check to see which numbers obey that equation.
Does 3^2 + 9^2 = 18^2 ?
9 + 81 = 324?
I think not.
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