Answer:
the answer would be 105!!
Step-by-step explanation:
5×3=15
15×7=105 aka our answer
We have two right triangles and three different rectangles.
The formula of an area of a right triangle:

l₁, l₂ - legs
We have l₁ = 20cm and l₂ = 21cm. Substitute:

The formula of an area of a rectangle:

l - length
w - width
We have:
rectangle #1: l = 22cm, w = 29cm

rectangle #2: l = 22cm, w = 21cm

rectangle #3: l = 22cm, w = 20cm

The total Surface Area of the triangular prism:

Answer:
I'm pretty sure that the answer is 5. Correct me if i'm wrong
Step-by-step explanation:
Answer:
yes it does. good job on your A.
Step-by-step explanation:
That any number plus 0 is equal to the number itself.