<span>area of square = pi r^2
3.14 * 13 *13
=530.66
=531
A</span>
Answer:
Curved surface area of a cone =πrl.
3.142×8×15=377.04cm
CoolAnswer:
Step-by-step explanation:
Answer: (D) 1.99x + 1.89y = 9.57
Step-by-step explanation: The reason is because equation option D states that for every notepad and pencil, x and y he bought, the total of his bill would equal $9.57.
We have to sum 8 and two-third of x, so we must multiply x by 2/3 and sum it with 8,
thus, the expression is