silvia71168
silvia71168 silvia71168
  • 08-02-2018
  • Mathematics
contestada

In a figure, a pair of parallel lines is cut by a transversal. What is the measure of angle B if the measure of angle C is 35?

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angelinaketkun2
angelinaketkun2 angelinaketkun2
  • 21-02-2018
1)If angle 1 and 2are corresponding angles
Then they are equal
5x-10=3x+60
5x-3x=60+10
2x=70
x=70/2
x=35
Therefore
One angle=5x-10=5*35-10=175-10=165
Then angle 2 is also 165 degrees
2) if these two angles are linear pair or interior angles of same side of the the transversal
Sum of it is supplementary
Therefore
<1+<2=180
5x-10+3x+60=180
8x+50=18£
8x=180-50
8x=130
x=130/8
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