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X = either 100 , 140 , or 120

X = either 100 , 140 , or 120-example-1
User Yasuyuki
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1 Answer

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ANSWER EXPLANATION: 140

The circle is split into halves, so we know that the degree for the circumference is 180°. Then to find x, you add 30° and 10° which is 40° and subtract from 180° to get 140°.
User Sroebuck
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