Question

55)
If angle H is a complement of angle I, angle I and J are vertical angles, and the supplement of angle J has a measure of 140 degrees, gind the measure of angle H?

a) 40 deg.
b) 50 deg.
c) 90 deg.
d) 140 deg.

Answer 1

50

Answer 2

a clan is correct
j=40 (definition of supplementary angles)
i=j ( vertical angle theorem)
i=j=40 is complement of H --90-40=H=50