Question

in fig below l is parallel to m find angles 1 to 7.​

Answer 1

1= 180-70. [linear]

"1= 110°"

3=1= 110° ....vertically opposite angles

4=3= 110° ....alternate angles

6=4= 110° ....vertically. opposite angles

2= 70° ....vertically opposite angles

5=2= 70° ....alternate angles

7=5= 70° ....vertically opposite angles

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Answer 2

hey mate here is your answer.

angle 1 and angle 70 degree make linear pair.

angle1+70degree=180degree

angle1=180-70=110degree.

now, angle1 and angle3 are vertcally opposite angle. so, angle 3=110degree.

similarly, angle2=70degree.

NOW,

angle4+angle2=180 (co-interior angle)

angle4+70degree=180

angle4=110degee

NOW, angle4+angle5=180 (linear pair)

110+angle5=180

angle5=70degree

so, angle4 and angle6 are vertically opposite angle.

then angle6=110degree.

similarly, angle7=70degee.

HOPE THIS HELPS YOU.

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