Question

Help A)38 B)62 C)80 D)100

Answer 1

Answer:

80 degrees

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

∠5 +∠6 +∠7 = 180 {straight line angle}

38 + 62 + ∠7 = 180

100 +∠7 = 180

∠7 = 180 - 100

∠7 = 80°

l // m

∠3 = ∠7   {Alternate interior angles are congruent}

∠3 = 80°.