Answer:
The first one is correct.
Step-by-step explanation:
Using the equation for a circle's area

, 283.4 square meters. Note that r, the radius, is determined by dividing the diameter by two.
Answer:
6:10 -> simplfied is 3:5
Step-by-step explanation:
This question is really is if you think about it for a while. If you have a ratio that is like 6:10 or 6/10 all you have to do is multiply it by two (since it can only go in two times in this ratio). When you simplfy your answer, you will get 3:5.
Hope this helped you guys!
Answer:
what's the word problem?
Step-by-step explanation: