Question

What is the surface area of this square pyramid?



A.
144 cm2

B.
108 cm2

C.
189 cm2

D.
252 cm2

Answer 1

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Answer 2

@DanJS

Answer 3

4 of those triangles plus 1 base

Answer 4

ok

Answer 5

4 x (1/2) x 6 x 9 = 2 x 6 x 9 = 108 for the triangles

Answer 6

4 of them , times 1/2 base length times height length

Answer 7

k is the answer 108

Answer 8

no, you have to include the square base too

Answer 9

189

Answer 10

Base = length x length = 6 * 6 = 36

Answer 11

Total = 4 triangles + base = 108 + 36

Answer 12

k

Answer 13

so is it 144 a

Answer 14

yep

Answer 15

help me with a few more like 2