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02-09-2018
Mathematics

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Angle S and angle T form a linear pair if measurement of angle S equals 5X +9 and measurement of angle T equals 3X +11 find the measures of both angles

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lesliekolleroxrkcf lesliekolleroxrkcf

02-09-2018

linear pair angles have too add to 180, so

5x+9+3x+11=180
8x+20=180
8x=160
x=20

so angle S is 5*20+9 = 109
angle T is 3*20+11 = 71

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