英语翻译A golfer is lining up a putt on a level green.The hole i
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英语翻译
A golfer is lining up a putt on a level green.The hole is 12 cm wide and the ball is 60 cm from the middle of the hole.Calculate the angle within which the ball can be hit into the hole
A golfer is lining up a putt on a level green.The hole is 12 cm wide and the ball is 60 cm from the middle of the hole.Calculate the angle within which the ball can be hit into the hole
一个人在水平绿地上打高尔夫,球洞直径12cm,球离洞中心60cm,计算球能够进洞的击球角度
再问: 那这个题应该怎么解- -
再答: 先画图,球洞是个圆,球是个点,过该点作圆的两条切线,两切线夹角即为答案。
再问: 那这个题应该怎么解- -
再答: 先画图,球洞是个圆,球是个点,过该点作圆的两条切线,两切线夹角即为答案。
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