Angles j and k are supplementary angles. What is m∠j if m∠k=117° ?(1 point)
Since angles j and k are supplementary, their measures add up to 180°.
Therefore, m∠j = 180° - m∠k.
Substituting the given value m∠k = 117°,
m∠j = 180° - 117° = 63°.
Therefore, m∠j = 63°.