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anonymous
 3 years ago
Given: line BD is a diameter
m angle 1 = 100°
m semi circle BC = 30°
m semi circle AC=
a. 60
b. 110
c. 200
anonymous
 3 years ago
Given: line BD is a diameter m angle 1 = 100° m semi circle BC = 30° m semi circle AC= a. 60 b. 110 c. 200

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1have you tried this ? which step are you stuck ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0All of the steps haha

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1do you know that measure of central angle equals measure of arc. dw:1360890234039:dw

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1now , measure of semicircle =180 you knew this ? dw:1360890434105:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0I know that I also know that a whole circle equals 360 degrees.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0I just need to know how to find out AC

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1okkk, AC = AB+BC = angle 2+ angle 3, right ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0The answer is 110! Thank youu (:

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1and since BC =30, you know angle 3=30 ... oh, you got it ! good :)
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