What is the surface area of a square pyramid if the base has an area of 16 cm2 and the lateral faces have a slant height of 12 cm?
O 112 cm
O 208 cm2
O 400 cm?
O 640 cm

640

Step-by-step explanation:

pleas check my answer

112

Step-by-step explanation:

If you add all the triangle faces and the square.

s

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,