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Use Pythagorean Theorem to find length of chord AB

i dont know how..

no...

May I ask what grade you're in and what course you're working on?

im in 11 and in geometry but im doing online math this summer....

OK. You know what a right triangle is, right?

yes.

Can you identify which sides are the legs and which side is the hypotenuse?

i think so

OK. In the figure I drew, which side is the hypotenuse?

AB?

That's right.

ya

Good.

no u lost me

\(AB^2\) is the length of the hypotenuse squared. OK?

ok

ok

Is there an easier way of learning this?

no not really.. Im really slow with math.. ive never been any good

If \[\left( AO \right) = r\]then \[\left( AO \right)^2 = r^2\]OK?

ok

um kinda

Well if \[AO^2 = r^2\] and \[OB^2 = r^2\]then \[AO^2 + OB^2 = r^2 + r^2\]

okay

Now \[r^2 + r^2 = 2r^2\]You OK with that?

yas

i dont think so

What is the square root of AB^2?

umm.. No clue. Im going into all this blind

What is the square root of any number squared? If 2^2 = 4, what is the square root of 4?

2??

ohhh okay

umm i have no clue

ohhh okay thank u soo much

You're welcome.

thats what i had too!!!!