brianna ghey
KB . KB KBPay , .
KB Pay , . .
. .
KB 4 , . . 1. KB (PC) .
(1670-9090) . : 1670-9090 ( 09~18) : , , (), KB .
KB 2025 . .
, , .
. . .
. , .
. ( .
Related Articles
Trending Articles
\[ V = \frac{1}{3} \pi \times 4^2 \times 15 = \frac{1}{3} \pi \times 16 \times 15 = 80\pi \approx 251.33 \text{ cm}^3 \]
Total volume for 5 liters:
\[ 5000 \text{ cm}^3 \]
\[ \frac{5000}{251.33} \approx 19.89 \]
Round up to 20 cones.
The \( n \)-th term \( a_n \) is:
\[ S_{10} = 3(10)^2 + 5(10) = 300 + 50 = 350 \]
\[ S_9 = 3(9)^2 + 5(9) = 243 + 45 = 288 \]
#### 62
A circle is inscribed in a square with side length 14 cm. Calculate the area of the circle in square centimeters, then determine the area of the square not covered by the circle.