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:
Calculating 75% of a number is the same as calculating 25% less
Step-by-step explanation:
.75*100=75
.25*100=25
100-25=75
I think it should be B but I’m probably wrong so risk it if you want sorry
Answer:
$24.11
Step-by-step explanation:
Let the cost of the present be c.
Then (3/4)c = $18.33.
To isolate (solve for) c, mult. both sides of this equation by (4/3):
(4/3)(3/4)c = (4/3)($18.33), or
c = $24.11