B= -2x+5-2x^2-ax
A= -2x+5-2x^2-b/x
x=0
Answer:
2×π×(1/2)L×L+2×π×((1/2)L)^2
Step-by-step explanation:
perimeter of cross-section × height +2× area of cross-section
The whole entire canvas area - 660 inches
Area without the rose - 462 inches
Just do 28 times 3 and you will get 84 to check this just divide 84 to 28.....