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part a: if angle a and angle b are vertical angles, what is the value of X?

part b: if angle a and angle b are supplementary angles, what is the measure of angle b?

part a if angle a and angle b are vertical angles what is the value of X part b if angle a and angle b are supplementary angles what is the measure of angle b class=

Respuesta :

mathstudent55

Answer:

a. x = 8

b. m<B = 140

Step-by-step explanation:

a.

m<A = m<B

40 = 5x

x = 8

b.

m<A + m<B = 180

m<B = 180 - m<A

m<B = 180 - 40

m<B = 140

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