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Mathematics
In triangle ABC, the sum of the measures of angle A and angle B is 70 degrees. The measure of angle A is one-half the measure of angle B. If the measure of angle B is equal to x degrees, which of the following expressions represents the sum of angles A, B and C?
A.x+2x+110
B.x/2+x+110
C.1/2(x+2x+110)
D.x/2+x+70
