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2003 AIME II problem 5 minor correction

2003 AIME II Problem 5 Minor Correction. Created by Sal Khan.

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• Isn't it true that even though you can still create the cylinder out of the 2 wedges, no matter how many degrees are in theta, that if theta is not equal to 45 degrees, then the height of the wedge would not be equal to the diameter of 12 inches and you would have to use the tangent of theta to determine the height of the wedge?
• I don't think you would be able to divide by two later on as well right? you would have to find the percent of the larger or shorter wedge of the whole and take that from the area of the cylinder.
• why do some of the parts in khan academy only have videos?
• They link into other parts of math, and you would do them there. If you want I could give you some questions in math.
• this is so short! yay! points!
(1 vote)
• Are we to correct it or will Khan correct it?
• but if it wasn't 45 degrees, how would he find the height?
(1 vote)
• https://www.google.com/search?q=hexaflexagon&safe=strict&rlz=1CAACAH_enUS680&tbm=isch&imgil=5KuLcrdrQFiZ6M%253A%253BUnQNyI7xGXnJNM%253Bhttp%25253A%25252F%25252Fbritton.disted.camosun.bc.ca%25252Fhexahexa%25252Fhexahexa.html&source=iu&pf=m&fir=5KuLcrdrQFiZ6M%253A%252CUnQNyI7xGXnJNM%252C_&usg=__0XMX5XaB_eJzrzFgBQYRa1NQR44%3D&biw=1366&bih=657&ved=0ahUKEwjbwPfCmILLAhXJuB4KHdcDDMgQyjcIKw&ei=2S7GVpvwHMnxeteHsMAM#imgrc=5KuLcrdrQFiZ6M%3A go to this link it will show you because it is very complicated to explain.
(1 vote)
• Ummm, what is a theta and how do he get 12 inches if he have 45 degrees