Finding an Angle Measure

Mr. johansen is cutting construction paper for an art project. he has 24 students, and six pieces of construction paper. how much paper will each student receive?

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Give all possible names for the line shown.calculation tip: lines can be written with either point first.