Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (kikuo):

http://prntscr.com/b0spyd

jimthompson5910 (jim_thompson5910):

To find the measure of the central angle, you would multiply the decimal form of the percentage by 360 (since there are 360 degrees in a full circle) For example, say the percentage is 25% 25% of 360 = 0.25*360 = 90 so the central angle of this example slice is 90 degrees

OpenStudy (kikuo):

Why do we do so?

OpenStudy (kikuo):

Multiply a decimal by a number to get it I mean. What's the reason for doing so?

jimthompson5910 (jim_thompson5910):

do you agree that 25% in decimal form is 0.25 ?

OpenStudy (kikuo):

Yes!

jimthompson5910 (jim_thompson5910):

so when I took 25% of 360, I multiplied 0.25 with 360 to get 90 notice how 90 degrees is 1/4 of a circle and how 1/4 = 0.25 = 25%

OpenStudy (kikuo):

Alright. Now what should I do. That makes sense.

jimthompson5910 (jim_thompson5910):

look at the instructions it wants you to find the central angles for sleeping and eating

jimthompson5910 (jim_thompson5910):

so you'll use my example to compute the central angles

jimthompson5910 (jim_thompson5910):

33% of 360 = ???

OpenStudy (kikuo):

First option : ) Got 118.8 and 28.8

jimthompson5910 (jim_thompson5910):

correct

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!