Triangle ABC has an area of 18 and triangle DEC has an area of 8. What is the ratio of the side lengths of the two triangles

A method to solve such problems is to consider the rate of change of the angle in degrees per minute. The hour hand of a normal 12-hour analogue clock turns 360° in 12 hours (720 minutes) or 0.5° per minute. The minute hand rotates through 360° in 60 minutes or 6° per minute.