Answer:
Line c
Step-by-step explanation:
y=
Answer:

Step-by-step explanation:
The total surface area of this triangular prism consists of three rectangles and two triangles. Adding the areas of each of these shapes allows us to find the total surface area of this 3D figure:
Area of both triangles:

Area of all three rectangles:

Therefore, the total surface area of this figure is:

Please provide more information. You need to add the sides of the polygon to find the perimeter.
Answer:
56 cubic meter
Step-by-step explanation:
Volume of a pyramid: V=(lwh)/3
So then 7*3*8/3= 7*8 =
56 cubic meter