Q.8. Given POR = 3x° and QOR = (2x + 30°, find
the value of x for which POQ is a straight line.
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0
Answer:
Answer
Correct option is
A
34
∘
∠POR=3x and ∠QOR=2x+10 [ Given ]
POQ is a line.
∴ ∠POR+∠QOR=180
o
[ Linear pair ]
⇒ 3x+2x+10
o
=180
o
⇒ 5x=170
o
⇒ x=
5
170
o
⇒ x=34
o
Answered by
3
Step-by-step explanation:
< POR= 3x°
< QOR=(2x+30)°
=> 3x +2x+30 = 180°_ _ _ _ [straight angle]
=>5x +30 = 180°
=> 5x= 180–30
=> 5x= 150
=> x= 150/5 = 30
The value of x =30 .
l hope this will help you
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