In the given figure AB and AC are opposite rays.
(i) If x= 27°, find y.
(ii) If y = 25°, find x.
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Answered by
1
Step-by-step explanation:
angle in a straight line is ,180⁰
2x+5y+21 = 180⁰
substitute respective values of x and y, to find the required values.
Answered by
10
Answer:
2x+5y+21=180
2x+5y=159
(I) 2(27) +5y=159
5y=159-54=105
y=21°
(ii) 2x+5(25) =159
2x=159-125=34
x=17°
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