The formula for the area of a circle is
A=(pi)r^2. You are given the diameter. To find the radius (r) divide the diameter in half so18/2=9. Plug the radius into the formula to get your answer A=(3.14)9^2
A=254.34cm^2
Answer:
well I would see what a average tud holds and then multiple till you get the total amount or round up to
211 and 212. this is bc x+1 and x+2 is equal to 2x+3=423 and if you solve for it equals 210 so 210 +1 =211 and 210+2=213
Answer:
I think the answer is A. I don't know
Answer: 40 sit ups
Step-by-step explanation:
50+70+80+80+40+60+40= 420 ÷ 7 = 60