Answer:
Chris gave 4 and got 28
Dan gave 4 and got 28
this is the best I can do
sorry
The base of a cone is a circle.
The area of a circle is

.
Thus, the area of the base of a cone

.
The derivation of the formula for the area of a circle involves a bit of calculus, but if you'd like, I can walk you through it.
Answer:
365.7 km²
<em>hopefully this answer can help you to answer the next question.</em>
Answer:
because they can sense and understand the feeling of human whether they are happy or sad
Answer:
210
Step-by-step explanation: so 5 times 12 120 plus 100 is 210