Answer:

∠3 = 70°

Reason:

∠3 and ∠5 are called consecutive interior angles, and the sum of their angle is equal to 180°.

so we can say that,

∠3 + ∠5 = 180°

∠3 + 110 = 180

∠3 = 180 - 110

∠3 = 70°

_____________________________

Success is the sum of small efforts,

repeated day in and day out.”

~ Robert Collier

_____________________________