Fortune Telling Collection - Free divination - A chopstick with a length of 15cm is placed in a cylindrical cup with a bottom diameter of 5cm and a height of 12cm.
A chopstick with a length of 15cm is placed in a cylindrical cup with a bottom diameter of 5cm and a height of 12cm.
Chopsticks are placed vertically in the cup, and the maximum value of H is 15- 12 = 3cm.
When chopsticks are placed obliquely along the longitudinal section of the cup, the value of H is the smallest.
= 15-√(5? + 12? )
= 15-√ 169
= 15- 13
=2 cm
therefore
The range of H is 2cm ≤ H ≤ 3cm.
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