15. In the given figure, if ROQ = 90°, POS : ZROS = 4:5 and POQ is a line , then the value of SOQ is (2) 50° (1) 130° (4) 140 (3) 40
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Answer:
Your answer is 4 ) 140
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Answer:
ans is opt 4 140
Step-by-step explanation:
pos +ros=90
(por and roq are linear pair so por is equal to 90)
let's take common factor as x
pos +ros=90
4x+5x=90
9x=90
x=10
so angle soq =sor+roq
sor=5x
=5*10=50
soq=sor+roq
=50+90
=140
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