解方程X1=6+2倍根号3,X2=6-2倍根号3.AP=6+2倍根号3,PB=6-2倍根号3,AB=12
作OE⊥AB,∵BE=½AB=6,BP=6-2倍根号3,∴EP=2倍根号3
设圆半径为2X,OP=X,X²-(2倍根号3)²=(2X)²-6²,解得X=2倍根号2,
直径就等于4X=8倍根号2
解方程X1=6+2倍根号3,X2=6-2倍根号3.AP=6+2倍根号3,PB=6-2倍根号3,AB=12
作OE⊥AB,∵BE=½AB=6,BP=6-2倍根号3,∴EP=2倍根号3
设圆半径为2X,OP=X,X²-(2倍根号3)²=(2X)²-6²,解得X=2倍根号2,
直径就等于4X=8倍根号2