How do I find the height? I know it's OA + OP, and I know how to find OA but OP is weird.
BlueGas Well-Known Member Joined Sep 20, 2014 Messages 2,448 Gender Male HSC N/A Oct 20, 2015 #1 How do I find the height? I know it's OA + OP, and I know how to find OA but OP is weird.
K keepLooking Active Member Joined Aug 25, 2014 Messages 477 Gender Male HSC 2015 Oct 20, 2015 #2 OP is just Pythagoras OP = sqrt ( (3R)^2 - r^2 ) OP = sqrt ( 9R^2 - r^2 ) EDIT: fixed my error ~ Last edited: Oct 20, 2015
BlueGas Well-Known Member Joined Sep 20, 2014 Messages 2,448 Gender Male HSC N/A Oct 20, 2015 #3 keepLooking said: OP is just Pythagoras OP = sqrt ( (3R)^2 - r^2 ) OP = sqrt ( 9R^2 - r^2 ) EDIT: fixed my error ~ Click to expand... Ah didn't realise that, thank you!
keepLooking said: OP is just Pythagoras OP = sqrt ( (3R)^2 - r^2 ) OP = sqrt ( 9R^2 - r^2 ) EDIT: fixed my error ~ Click to expand... Ah didn't realise that, thank you!
K keepLooking Active Member Joined Aug 25, 2014 Messages 477 Gender Male HSC 2015 Oct 20, 2015 #4 Did you do part (ii), I am struggling to do it . _ .