In the figure AD stands on line CB if angle =(2x+10)and angle CAD =(5x+30) then find reflex angle
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Step-by-step explanation:
(2x+10)+(5x+30)=180°(linear pair)
2x+10+5x+30=180
7x+40=180
7x=180-40
7x=140
x=140/7
x=20
the reflex angle=360-x
360-20
=340
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