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If segment AB is a straight line then what is the value of a + b?

+1 vote
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If segment AB is a straight line then what is the value of a + b?

a + b

posted Mar 2, 2015 by Upma

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3 Answers

+3 votes
 
Best answer

Its simple
a+a+a+2a+b+2b = 180 ...........linear pair as AB is a straight line
5a + 3b = 180

4b + 2b = 180 .....linear pair
6b = 180
b = 30
So a = 18

a +b = 48

answer Mar 2, 2015 by Jaspalsingh Parmar
+1 vote

48 degrees
a=18o
b=30o

answer Jul 13, 2015 by anonymous
0 votes

a+a+a+2a+b+2b =180,
5a+3b=180,
4b+2b=180,
6b=180,
b=30,
5a+3(30)=180,
5a=90,
a=18,
so a+b=48.

answer Dec 9, 2015 by Kapil Kumar



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