24-03-2018
Mathematics

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Help me on question 24 please and explain it thanks

Help me on question 24 please and explain it thanks class=

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24-03-2018

You know that the sum of the interior angles in a triangle is 180
we will add all the angles,
(x+8)+(2x-8)+(3x-12)=180
x+8+2x-8+3x-12=180 8 and -8 cancel out
6x-12=180
6x=180+12
6x=192
x=192/6=32
x=32

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