A rectangular photograph measures 23.3 cm by 19.7 cm, each correct to 1 decimal place Calculate the lower bound for
(a) the perimeter,
(b) the area

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