Cassie85 Cassie85
  • 24-07-2017
  • Mathematics
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Find the measure of the angle and please explain step by step

Find the measure of the angle and please explain step by step class=

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musiclover10045
musiclover10045 musiclover10045
  • 24-07-2017

angle 4 is the same as angle 8

 angle 7 & angle 8 has to equal 180 degree

 so angle 7 and angle 4 also have to equal 180

angle 4 is 3 times the size of 7

lets call 7  (x)

so 4(x) = 180

180/4  =45

x=45

angle 7 is 45 degrees

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