Answer:
answer is 5 hope this helps
He should classifi them as right triangles I think...
Answer:
1, 2, 4
Step-by-step explanation:
1x4=4
2x2=4
Answer:

Step-by-step explanation:
We were given that; the formula for the surface area, A, of a prism is given by

where is the length of the prism, w is the width, and h is the height.
We want to solve this formula for l,
Group the l terms;

Factor l on the right;

Divide both sides by 2w +2h

Therefore:

Answer:
27
Step-by-step explanation:
find square root of 81 and multiply by 3
9 x 3 = 27