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OpenStudy (anonymous):
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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OpenStudy (anonymous):
hartnn (hartnn):
have you tried this ? which step are you stuck ?
OpenStudy (anonymous):
All of the steps haha
hartnn (hartnn):
do you know that measure of central angle equals measure of arc. |dw:1360890234039:dw|
OpenStudy (anonymous):
Yes I knew that.
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hartnn (hartnn):
now , measure of semicircle =180 you knew this ? |dw:1360890434105:dw|
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