ethan268529 ethan268529

27-04-2017
Mathematics

contestada

Can somebody help me out with this?
What is m∠A ?

Can somebody help me out with this What is mA class=

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daniellevilla8 daniellevilla8

27-04-2017

You have to set all angles equal to 180 degrees.
x+3x+13+x-8=180
6x+5=180
-5 -5
6x=175
x= 29.167
3(29.167)+13= 100.5 degrees

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