Answer:
D
Step-by-step explanation:
Area of a circle is pi(radius^2)
the diameter of the given circle is 18km
the radius is half so it’s 9km
A = pi(9^2)
A = 81pi km2
Answer:
Experimental study
Step-by-step explanation:
An example for #1 would be that: 15 is divisible by 3, but not 9. every third multiple of 3, (9, 18, 27,...) is divisible by 9 because 9 is three times the size of 3.
For part two the first number that I thought of is 23.
Answer:
I'm pretty sure its choice c and d i'm sorry if its not i did all the math, although i might have gotten it wrong, just double check.
Step-by-step explanation:
V = 1/3 l h w
V = 1/3 (12)(15)(9)
V= = 540
answer 540 m^3