It takes robert one minute to gather his materials to begin his homework, then an addictional minute for each problem on his assignment. if it takes him 20 minutes to complete the assignment, how many problems were on his assignment?

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by