in the adjoining figure
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2
X - 10° + 4x - 25° + X + 5° = 180 °
6x - 30 ° = 180°
6x = 180 + 30
X = 210 / 6
X = 35
Answered by
0
Answer:
as per the question AOB is a straight line
i.e, <AOB = 180
from the figure
<AOB = <AOD + <DOC + <COB = 180
(x-10)+(4x-25)+( x+5) = 180
x-10+4x-25+x+5 = 180
6x-30 = 180
6(x - 5) = 180
x - 5 = 180/6
x = 30+5
x = 35
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