MrBackwards
MrBackwards MrBackwards
  • 24-07-2020
  • Mathematics
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What is the measure of angle B in degrees?

What is the measure of angle B in degrees class=

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Аноним Аноним
  • 24-07-2020

119°

Step-by-step explanation:

for this angle A has to be found for that you can use the theorem that states sum of interior angles is equal to the sum of opp exterior angle

51 + A = 112

A = 112 - 51

A = 61°

THEN WE CAN FIND THE B angle

they are angles on a straight line

so 61 + B = 180

B = 119°

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