Answer:
There you go.
Step-by-step explanation:
Answer:
S=1444.4
Step-by-step explanation:
they already gave the formula so
13 is the height, 10 is the radius
plug it in to the formula (using 3.14 for pi)
S=2(3.14)(10)^2+2(3.14)(10)(13)
S=628+816.4
S=1444.4
There will be 23 layers of brick, because 7500/321 = 23 with 117 leftover.
Answer:

Step-by-step explanation:
We can apply Pythagoras' Theorem.
