willemhenskens
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Hey guys, can u please help me out with this question???
It's fitzpatrick 3 unit Ex 20 (c) question 38. I can do the first bit, not the second.
"Inside a circle K of radius length R, 3 circles A, B and C each radius r are placed so that each touches the other two and K. Express R in terms of r (can do).
"In the space between K, A, and B another circle D is placed which just touches K, A, and B. If its radius is s, show that (6+root3)s = (2 + root3)r"
Cheers.
[Edit] I can get to 6s = 2root3 r -3r [/Edit]
It's fitzpatrick 3 unit Ex 20 (c) question 38. I can do the first bit, not the second.
"Inside a circle K of radius length R, 3 circles A, B and C each radius r are placed so that each touches the other two and K. Express R in terms of r (can do).
"In the space between K, A, and B another circle D is placed which just touches K, A, and B. If its radius is s, show that (6+root3)s = (2 + root3)r"
Cheers.
[Edit] I can get to 6s = 2root3 r -3r [/Edit]
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