Question

The minute hand of a circullar clock is 15 cm long How far does the tip of the minute hand move in 30 minutes

Answer 1

the length of minute hand = radius of the clock = 15cm. Circum of clock = circum of circle = 2 x Pi x radius. = 2 x 3.14 x 15. = 30 x 3.14. = 94.2. therefore the clock's minute hand tip ...