I'm pretty sure the answer is 40
I’m pretty sure it’s the 4th one
Percentage Change = (New - old ) / (old) *100
85 - 74 = 11
11 / 74= 0.1486 * 100 = 14.8648.
To the nearest hundredth = 14.86 %
<h2><em>d≈1.73cm</em></h2><h2><em>Have a nice day </em></h2>
You can calculate the area of the whole pizza according to the formula: S=1/2*π*r². And the area of 8 piece is 1/8S while the area of 12 piece is 1/12S. The answer should be 1/8S-1/12S=4/3π.
