Question

in the given figure if mlln then find the value of a,​

Answer 1

Answer:

Since l∥m, then

3y=2y+25

0

[Alternate ∠s]

⇒3y−2y=25

0

⇒y=25

0

.(1)

Also x+15

0

=2y+25

0

[Vertically opposite ∠s]

⇒x+15

0

=2(25)+25

0

[using (1)]

⇒x+15

0

=50

0

+25

0

⇒x=75

0

−15

0

⇒x=60

0

.(in degrees)