Question

Please tell..!!

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Answer 1

Answer:

It is given that line l∥m

So, 

3y=2y+25           (alternate angles)

3y−2y=25

y=25∘

Also,

x+15=3y             (corresponding angles)

x+15=3(25)

x+15=75

x=75−15

x=60∘

Answer 2

Answer:

x = 65°

Step-by-step explanation:

∠C = ∠BAC + ∠ABC [Ext. angle property]

=> ∠ABC = ∠C - ∠BAC

= 115° - 50°

= 65°

x = ∠ABC [Alt. interior angles are equal]

=> x = 65°