Answer:
A= 81πm² or 254.47 m²
Step-by-step explanation:
Area = π x r²
π x 9m² (9x9)
<em>i'm not 100% sure this is correct so i'm sorry if it is wrong</em>
Answer:
200 275 125 50 100 50= 800
Step-by-step explanation:
When you add integers, you keep the sign on the sum.
For example:
-9 + -9 = -18 (kept the sign)
9 + 9 = 18 (kept the "sign")
Answer:
V = 24416.6
Step-by-step explanation:
V = 4/3 pi r^3
V = 4/3 (3.14) 18^3
V = 4/3 (3.14) 5832
V = 4/3 (18312.48)
V = 24416.64