Question

In the image below, a = 8 cm and b = 9 cm.




What is the surface area of the square pyramid?
144 square cm
196 square cm
225 square cm
369 square cm

Answer 1

Answer:

225 square cm

Step-by-step explanation:

Answer 2

Answer:

225

Step-by-step explanation:

first the square

9*9 = 81

then the triangle

a is 8

triangles are l*w/2 so 8*4.5/2

8*4.5 = 36/2 = 18

There are 8 of these triangles

18*8 is 144

144+81 = 225