The hour hand of a clock is 3 feet long. How many feet does the tip of this hand move between 9:30 p.m. and 1:30 a.m. the following day?

Question

asked Jan 8, 2021 9.5k views

1 Answer

General Waters · Answer 1 · 2021-01-15T18:04:23+0000

Answer:

2π feet

Explanation:

9:30 PM to 1:30 AM is 4 hours.

It is 1/3 of a complete revolution.

A full 12 hours would be 2×r×π=2×3×π

1/3 of that is:

1/3×2×3×π=2π

≈6.283185307 feet