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Can you help me its the one where it says to find the value of a and b

Can you help me its the one where it says to find the value of a and b-example-1
User Crashworks
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4 votes
try to look over notes and see if it helps
User Bob Blob
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4 votes

Answer:

2b + 42 = 134 —> Opposite angles

2b= 134 – 42

2b= 92

b= 92/2

b= 46

(2b+42) = 2(46)+42 = 92 +42= 134°

134 + (3a+4) =180

134+3a+4=180

3a+138=180

3a= 180 – 138

3a = 42

a=42/3

a=13

I hope I helped you^_^

User Aralar
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