Question

In the following diagram, BC is parallel to DE.

What is the measure of a?
Angles are not necessarily drawn to scale.
B
W
103
D
F
4* =
42°
E

Answer 1

Answer: 35

Explanation:

Angles in a triangle add to 180 degrees, so in triangle ABC,
`m\angle C=180-103-42=35^(\circ)`.

Sp, by the corresponding angles theorem, x=35