In the figure find a + b
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Step-by-step explanation:
(x+9)+5(x/2-1)+1/2x=180 (∴LP)
x+9+5x/2-5+1/2x=180
x+5x+1/2x+9-5=180
11x/2+4=180
11x/2=176
11x=176*2
11x=352
x=352/11
x=32
now
x+9=32+9
=41
so,
a+b=180-(x+9)
=180-41
=139
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