Question

geometry anyone?

Answer 1

The central angle of a section of a circle graph represents the fraction of the whole that the given category represents.

Example:
6 hours in school represents 1/4 or 25% of the whole day (24 hrs): 6/24 = 1/4 = 25%

So the central angle of the pie section representing daily time in school will be 25% of the whole circles 's central angle (360 degress)

Daily time in school's pie section is 25% of 360 degrees so the central angle is 0.25*360 = 90 degrees.

So in order to do this portfolio, you will have to figure the totals for each section and then figure each category's percent or fraction of the whole and then calculate the central angles for each pie section representing the category.

Here are some hints:
Activity one:
a. Sleep category– 111.60 degrees
Activity two:
2. Volleyball – 108
Activity three:
questions 4. & 5.
Rock: 3150/9000= 35% = 126 deg
country : 1800/9000= 20% = 72 deg

Answer 2

What do you have to do? Make a pie graph of your own day?

Answer 3

for the last part it says activities, you will have to figure the totals for each section and then figure each category's percent or fraction of the whole and then calculate the central angles for each pie section representing the category.

Answer 4

I see three activities, the first one is sleep which takes up 111.60 degrees on your pie graph?

Answer 5

I guess I don't understand what you're being asked to do...
I can rant about conversions, if you like.

Answer 6

360 degrees is the same amount of circle as 100%
If you are talking about the circle representing a day then a circle equals 24 hours, and it equals 1440 minutes, and it equals 86400 seconds.
Being mathematical once could say\[360^o=\frac{100}{100}=100\%=24hrs=1440min=86400s\]

Answer 7

Here are the two tricks for conversions:
1.) You can divide two things that are equal, they will equal 1.
2.) You can multiply anything by 1 and it will remain the same size.

Answer 8

1.) Proof\[\frac{1}{1}=1\]\[\frac{5}{5}=1\]\[\frac{1024}{1024}=1\]\[\frac{2\times5}{10}=1\]\[\frac{1inch}{2.54cm}=1\]\[\frac{360^o}{24hr}=1\]

Answer 9

2.) Proof\[1\times 1=1\]\[5\times 1=5\]\[1024\times 1=1024\]\[5\times \frac{2}{2}=5\]\[12inch\times\frac{2.54cm}{inch}=30cm\]\[6hrs\times\frac{day}{24hrs}=0.25day\]\[0.25day\times\frac{360^o}{day}=90^o\]