coolbro172 coolbro172

24-03-2018
Mathematics

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find the value of X and explanation please

find the value of X and explanation please class=

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EGGContract EGGContract

24-03-2018

150 and the unknown angle next to it equal 180.

180 - 150= unknown angle
30 degrees= unknown angle

Then the triangle also equals 180 so we add the angles and solve for x

3x + 2x + 30= 180
5x + 30= 180
5x= 150
x= 30

3x= 3(30)= 90 degrees
2x= 2(30)= 60 degrees

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