Question

A square pyramid has a slant height of 13 meters and a height of 12 meters. What is the surface area if the square base has sides of length 10 meters?

360 m2

320 m2

260 m2

120 m2

Answer 1

my answer is 360

Answer 2

^^ Thats the correct answer

Answer 3

??

Answer 4

thanks

Answer 5

i am asking you

Answer 6

yes

Answer 7

The surface area of a regular pyramid is equal to the area of its base plus 1/2 times the perimeter of its base times the slant height.
SA = 10*10 + (1/2)*(40)(13)
SA = 100 + 260
SA = 360 square meters

Answer 8

then I'm fine