Question

What is the total surface area of the square pyramid? ​

Answer 1

Answer:

D

Step-by-step explanation:

$A_1 = a^2 = 14^2 = 196$

$A_2 = 4(\frac{b * h}{2}) = 4(\frac{14 * 12}{2}) = 4(\frac{168}{2}) = 4 * 84 = 336$

$SA = A_1 + A_2 = 196 + 336 = 532\ cm^2$