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|dw:1437403588550:dw|

|dw:1437403532240:dw|

Is this considered to be a Trigonometry question?

which is 3 and the sqare root of 2

Honestly no I don't. That's been almost a year ago since I was learning about that

pythagoras is very famous
a^2 + b^2 = c^2
where a and b are the legs, and c is the hypotenuse

I know I hear about the theorem every which way I turn! It's like the plague

Yeah

can you find the diameter?

Wouldn't that be the same as the hypotenuse?

yes, of the last figure I posted.

Sorry I left you hanging here. It was time to go

did you finish this or is it too late?

I didn't finish, but I really do need to though

Can anybody help me?

|dw:1437482709311:dw|

Finally somebody to help. Thanks!

hence the radius =3

That gives us the area of the WHOLE circle is 9pi

what you need? Because this guy is 1/4 of the circle |dw:1437482954457:dw|

|dw:1437483048616:dw|

fyi a sector is the two radius and the arc
http://www.mathopenref.com/arcsector.html

Let me look. I'll be right back. Thanks!

You made it sound so easy! Wow! Thanks!`