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16 votes
16 votes
Can you help me please

User Anis Tissaoui
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1 Answer

16 votes
16 votes

When a and b are parallel.

The sum of supplementary angles is180º

m ∠ b + m ∠ a = 180º

(4x-5)+ (13x -2)= 180º

17 x -7 = 180ª

17 x = 180 +7

x= 187/ 17

x = 11

Can you help me please-example-1
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User Erich Kitzmueller
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