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luisz
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Farial inscribed a quadrilateral ABCD in a circle, as shown below. If the measure of arc BCD is 220°, what is the measure of angle BCD?
 2 years ago
 2 years ago
luisz Group Title
Farial inscribed a quadrilateral ABCD in a circle, as shown below. If the measure of arc BCD is 220°, what is the measure of angle BCD?
 2 years ago
 2 years ago

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LoveYou*69 Group TitleBest ResponseYou've already chosen the best response.1
I don't know:( I am sorry, I will try to get someone who will know here tho!:D
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
so did you get someone?
 2 years ago

terenzreignz Group TitleBest ResponseYou've already chosen the best response.0
Are you sure it's the measure of angle BCD you want? you just gave its measure...
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
yes, we need the measure of angle BCD...
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
I mean arc!!!!!!!!!!!!!!!!
 2 years ago

legoauto220 Group TitleBest ResponseYou've already chosen the best response.0
dw:1340465784240:dw Like this? IS the image correct? And we have to get the angle now, the angle C
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
Yes, angle BCD
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
can you tell me how?
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
why is at 70?
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
its correct but why?
 2 years ago

legoauto220 Group TitleBest ResponseYou've already chosen the best response.0
Because 360220=140, and the central angle is double the angle in the circumfrence, so its 70
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
I thought the same exact thing
 2 years ago

legoauto220 Group TitleBest ResponseYou've already chosen the best response.0
dw:1340466383693:dw
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
I wasn't sure if it was correct, though.
 2 years ago

THE_PROPHET Group TitleBest ResponseYou've already chosen the best response.0
angle BOD =140 centre is O angle subtended by chord on cente is twice the angle subtended on the circle .....so 2x = 140 x = 70
 2 years ago

luisz Group TitleBest ResponseYou've already chosen the best response.0
let me post another problem...
 2 years ago
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