<em>C. 15 feet</em>
<em>Area formula</em>
<em>A = l²</em>
<em>225 = l²</em>
<em>l = √225</em>
<em>l = √15²</em>
<em>l = 15 feet</em>
Answer:
420
Step-by-step explanation:
15%= 0.15
2800*0.15= 420
Answer: D and E
the answers is between 1 and 2 so A is out
the dot is a little more than halfway so B and C are out
D and E are left :)
1/3
本题已由中国数学会官方解答（现有会员：2人）
