Question

in the figure, j || k and m∠1 = 63°. what is the m∠4? enter your answer in the box.

Explanation:

Step1: Identify angle - relationship

$\angle1$ and $\angle4$ are vertical angles.

Step2: Apply vertical - angle property

Vertical angles are congruent. So $m\angle4=m\angle1$.

Answer:

$63$