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If the sum of measures of angle a and b is 280 degrees, what is the measure of angle C?

A. 80 degrees
B. 160 degrees
C. 140 degrees
D. 40 degrees

If The Sum Of Measures Of Angle A And B Is 280 Degrees What Is The Measure Of Angle C A 80 Degrees B 160 Degrees C 140 Degrees D 40 Degrees class=

Answer :

Answer:

40 degrees

Step-by-step explanation:

because angle b and angle a are vertical angles they are congruent and if they add up to 280 you just have to divide that by 2 to get the value of one of the angles

280/2=140

because angle c and angle b are supplementary they are going to add up to equal 180

180-140=40 so c=40

ZEPHANIAHR55IN

Answer:

40

Step-by-step explanation:

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