Question

need help

Answer 1

The front and back faces are triangles.
What6 is the area of a triangle with base 6 and height 2?

Answer 2

wow he fast

Answer 3

Area of triangle = base * height / 2
What is 6 * 2 / 2 = ?

Answer 4

6

Answer 5

?

Answer 6

Correct.
There are a front face and a back face, each with area 6, so from the front and back faces we have an area of 2 * 6 = 12

Answer 7

Now we have three rectangles.
The bottom rectangle has sides 2 and 6
What is the area of a rectangle with sides 2 and 6?

Answer 8

12

Answer 9

Great.
So far we have:
Front & back faces 12
Bottom face 12

Now we need the right face.
It's a rectangle 2 by 4.

Answer 10

8

Answer 11

Great.

So far we have:
Front & back faces 12
Bottom face 12
Right face 8

One more face. The left face. It's a rectangle 3 by 2.

Answer 12

6

Answer 13

Great again.

Now we have:
Front & back faces 12
Bottom face 12
Right face 8
Left face 6
---------------------
Total

Add all the areas above to find the total surface area of the prism.

Answer 14

76

Answer 15

Somehow you double it.
12 + 12 + 8 + 6 =
= 24 + 8 + 6
= 32 + 6
= 38