Question

help

Answer 1

So surface area means you're finding the area of each shape and adding it up

what is the area of the square that has sides of 12?

and what is the area of the triangle if it has a base of 12 and a height of 8?
(and keep in mind that we have 4 triangles)

Answer 2

do i mutiply

Answer 3

well yes

area of a square = side * side

and the side is 12

so what is the area of the square?

Answer 4

12?

Answer 5

no

area of square = side * side

and the side is 12

so

area = 12 * 12 = ??

Answer 6

144

Answer 7

good, now the area of a triangle

do you know the formula to find the area of a triangle?

Answer 8

A=hbb
2

Answer 9

I think you meant

area = 1/2 * base * height

and the base is 12
and the height is 8

so what is the area?

Answer 10

96

Answer 11

what about the 1/2

you forgot to multiply by 1/2

Answer 12

did i get it right?

Answer 13

no

what is 1/2 * 12 * 8 = ??

Answer 14

48

Answer 15

there you go

and remember we have 4 triangles?

so

48 + 48 + 48 + 48

which is the same thing as 48 * 4 = ??

Answer 16

192

Answer 17

and now add the area of the square which is 144

144 + 192 = ??

Answer 18

336

Answer 19

That's your final answer

Answer 20

thx master az

Answer 21

You're welcome

Answer 22

so o decimal point

Answer 23

Yup, there is none