Attempt following question by selecting a choice to answer.
B
AB and CD are two parallel lines with EF as the transversal. Find the value of
x.
f BA.
B40°
B.
B60°
C.
B90°
D.
B50°
B
A
Step 1: If a transversal intersects two parallel lines, the alternate interior angles are congruent.
Step 2: 3x = 120°
Step 3: x = 1203[Divide by 3 on each side.]
Step 4: So, x = 40°.