Find the surface area of a square pyramid with “a” of .5cm and “l” of .8cm, round to tenth and proper units.
SA= a^2 + 2al
SA= .5^2 + .8al
SA = (.5)^2 + 2(.5)(.8)
SA = .25 + .8
SA = 1.05
Therefore, the surface area of the square pyramid is 1.1 square cm.