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Flapdragon
Group Title
I need some help finding the surface area of this figure...
 2 years ago
 2 years ago
Flapdragon Group Title
I need some help finding the surface area of this figure...
 2 years ago
 2 years ago

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UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
a little circle a big circle and an trapezium
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
dw:1333783298213:dw It is not a trapezium but a difference of sectors
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
dw:1333783389861:dw
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
do you mind if i work in radians (or do you prefer degrees) radians will be simpler
 2 years ago

Flapdragon Group TitleBest ResponseYou've already chosen the best response.0
Radians is fine! c:
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
how do we find the extra height to the nonexistant apex of the cone
 2 years ago

fl3x1 Group TitleBest ResponseYou've already chosen the best response.0
Do you know the final answer so i can confirm? is it 388.355? if yes then ill explain it
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
dw:1333784950944:dw
 2 years ago

Flapdragon Group TitleBest ResponseYou've already chosen the best response.0
I don't really know what the final answer is (or how to find the extra height). :c
 2 years ago

fl3x1 Group TitleBest ResponseYou've already chosen the best response.0
dw:1333785068455:dw i just added the surface areas of these two figures..
 2 years ago

fl3x1 Group TitleBest ResponseYou've already chosen the best response.0
suface area of cone + surface area of circle
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
but the bit that goes round the middle is not a sector , it is a difference of sectors
 2 years ago

fl3x1 Group TitleBest ResponseYou've already chosen the best response.0
im not sure its right though
 2 years ago

Flapdragon Group TitleBest ResponseYou've already chosen the best response.0
Anyway, thank you both for helping! I'm...still not entirely sure how to do this problem, but I have a couple of ideas now, so...
 2 years ago
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