Answer:
option 3
Step-by-step explanation:
divide the diameter by 2 to get the radius.
pi×r^2
3.14×42^2=5538.96 km^2
The tape diagram should have one box for $5, 121 as the total. And some more boxes where the value is 14.50. Hope this helps!
16*18 is 288
what do u mean by "<span>I double and halve"</span>
I cant help you here. I am bad at math!!!