In the given figure. BAC is a line. Find a.
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ishu5390:
any one plzzz give his number...because i donot understand maths...and give me some tips
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16
here is your answer
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since , BAC is a line
so, ( 3a+ 3a+ 20 + 2a) = 180 (linear pair)
8a+ 20 = 180
8a= 180-20
a=160÷8
a= 20
so, ( 3a+ 3a+ 20 + 2a) = 180 (linear pair)
8a+ 20 = 180
8a= 180-20
a=160÷8
a= 20
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