Question

Take an angle POQ as a straight angle.draw OR measure POR and QOR .find the sum of angle POR and angle QOR

Answer 1

Answer:

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

Answer 2

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