triangle abc is congruent to triangle xyz. in δabc, ab = 12 cm and ac = 14 cm. in △xyz, yz = 10 cm and xz = 14 cm. what is the perimeter of δabc? 36 cm 38 cm 40 cm 50 cm

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils