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Flapdragon
 3 years ago
What is the diameter of this circle if BC=17 and DC=30?
Flapdragon
 3 years ago
What is the diameter of this circle if BC=17 and DC=30?

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Callisto
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1334734918657:dw Use Pyth Thm (17+r)^2 = 30^2 +r^2 289 + 34r +r^2 = 900 + r^2 34r = 611 r= ... Diameter = 2r= ...

Callisto
 3 years ago
Best ResponseYou've already chosen the best response.1The number was ugly...

Flapdragon
 3 years ago
Best ResponseYou've already chosen the best response.0Thank you again! c: I didn't realize that it was a right triangle at first, somehow...

Callisto
 3 years ago
Best ResponseYou've already chosen the best response.1Whenever you see a tangent, see a centre, join them, you'll get a right angle triangle. Then, things are usually easier :)

Flapdragon
 3 years ago
Best ResponseYou've already chosen the best response.0Oh, okay! Thanks for the tip! :D

Callisto
 3 years ago
Best ResponseYou've already chosen the best response.1Welcome :) Hope it helps
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