Angles j and k are supplementary angles. What is m<j if m<k = 117 degree?
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Since angles j and k are supplementary, their sum is 180 degrees.
m<j + m<k = 180 degrees.
Substituting m<k = 117 degrees, we have:
m<j + 117 = 180.
Subtracting 117 from both sides, we get:
m<j = 63 degrees.