Answer:
D) 8.1 m
Step-by-step explanation:
Area of a circle is pi r^2
<u>650 cannonballs
</u>
Explanation step by step:
layer 12 is 12 ^ 2
<u>The formula is:
</u>
n * (n + 1) * (2n + 1) / 6
n = 12
12 (12 + 1) (2 * 12 + 1) / 6
12 * 13 * 25/6 =
650
<u>There are 650 cannonballs in this pyramid.</u>
Answer:
Slope = 2
Step-by-step explanation:
Change in y = 2
Change in x = 1
2/1 = 2
Equation: y = 2x + 3
Answer:
perimeter=(lengths+breadth)×2
in this case its a square with 9 cm length
9+9×2
18×2
36 its ez
Answer:
it c
Step-by-step explanation: