The hour hand of this clock is 7 cm long. What area does it sweep from the time on A to the time on B, the same morning? (Take \π= 227.)

Question

Accepted Answer

51 1/3 cm². A shows 8:00 and B shows 12:00: 4 hours, i.e. 412= 13 of a turn. Area = 13× 227×7^2=51 13 cm². (14 23 cm is the arc length, not an area.)

The hour hand of this clock is 7 cm long. What area does it sweep from the time on A to the time on B, the same morning? (Take $π = \frac{22}{7} .$ )