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Math Fun #853438
12/03/12 12:11 AM
12/03/12 12:11 AM
Joined: Aug 2000
Posts: 52,940
Upstate NY
Pandora Offline OP
Sonic Boomer
Pandora  Offline OP
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Joined: Aug 2000
Posts: 52,940
Upstate NY
The area of EOF is a quarter of a circle with point O at the center of the circle. The line segment AC is 8 inches long and the line segment BC is 6 inches long.

How many square inches are in the shaded areas? (Pi = 3.14)



Netflix needs to stop asking if I'm still watching and start asking if I've switched the laundry over yet
Re: Math Fun [Re: Pandora] #853440
12/03/12 12:49 AM
12/03/12 12:49 AM
Joined: Jul 2002
Posts: 29,022
Unionville
manxman Offline
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manxman  Offline
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Unionville
radius = 10 (Pythagorus)
area of quarter cirle=1/4*pi*r^2=25pi
area of rectangle=48
Shaded area=25pi-48=30.5 smile12


Sometimes lost is where you need to be. Just because you don't know your direction doesn't mean you don't have one.
Re: Math Fun [Re: Pandora] #853442
12/03/12 01:01 AM
12/03/12 01:01 AM
Joined: Aug 2000
Posts: 52,940
Upstate NY
Pandora Offline OP
Sonic Boomer
Pandora  Offline OP
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Joined: Aug 2000
Posts: 52,940
Upstate NY
I think you did it with one eye closed! wave12


Netflix needs to stop asking if I'm still watching and start asking if I've switched the laundry over yet
Re: Math Fun [Re: Pandora] #853444
12/03/12 01:29 AM
12/03/12 01:29 AM
Joined: Jul 2002
Posts: 29,022
Unionville
manxman Offline
Sonic Boomer
manxman  Offline
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Joined: Jul 2002
Posts: 29,022
Unionville
wink12


Sometimes lost is where you need to be. Just because you don't know your direction doesn't mean you don't have one.
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