Kelly loves to eat chocolate pizza. Each square inch of chocolate is 30 calories. She orders a slice of chocolate pizza from a pizza with a diameter of 12 inches that is cut with a central angle of 40 degrees. How many calories does she eat?

about 3,393 calories

about 113 calories

about 13 calories

about 377 calories

Question

Kelly loves to eat chocolate pizza. Each square inch of chocolate is 30 calories. She orders a slice of chocolate pizza from a pizza with a diameter of 12 inches that is cut with a central angle of 40 degrees. How many calories does she eat?

 about 3,393 calories

 about 113 calories

 about 13 calories

 about 377 calories

p0sitr0n · Answer

A  = pi * r^2
r = d/2
r=6
A = pi 36 square inches
cross product - 
360 degrees = 36pi
40 degrees = x
x = 4pi square inches
4pi * 30 = 3 392.93 calories

anonymous · Answer

finally thx :D

anonymous · Answer

@P0sitr0n Isn't that the answer if she would eat the whole chocolate pizza?