The sum of the first n natural numbers and 0=
n*(n+1)/2
Answer:
Step-by-step explanation:
(1). One solution
(2). Infinitely Many Solutions
(3). One solution
(4). No Solution
All of those are true, except the one about the radius. Because alternate definition of diameter uses the idea of chord. So, both ends of a chord have to be on the circle, but one end of a radius is at the center, so a radius can't be a chord.
<span>6(2*144) + 6(2*12.5) + 3(144) = 2310</span>