This is the last question need answered so please help me

ANSWERS

2015-11-06 05:12:04

assuming that is a square pyramid that is the square base+4 triangles that is side^2+4(1/2bh) where b=side=14in and h=height=13in surface area=14^2+4(1/2)(14)(13) SA=196+(2)(182) SA=196+364 SA=560 square inches

ADD ANSWER