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3 votes
I don't get this one plz help

I don't get this one plz help-example-1

2 Answers

2 votes
84 + z = 180 <=== ur equation
User Jos Theeuwen
by
8.4k points
6 votes
isocoleese means 2 angles are same, normally the base angles

so since it says they measure 42
rememeber that all angles in traingle add to 180
so base angles+vertex angle=180
base angles aer both 42 so
2 times 42+vertex angle=180
42 times 2=84
so
if veretx angle=z then
84+z=180


answer is B

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