Question

Find the angle between hour hand and minute hand in a clock at twenty past seven

Answer 1

find the angle between hour hand and minute hand in a clock at 7:20 is of obtuse angle triangle

Answer 2

Answer:

7:20

for 1 hrs angle is 30°

for 3 hrs angle between hr hand and minute hand is 90°

for 1 min the angle between hour hand and minute hand is (1/2)°

for 20 min angle is 10°

therefore, angle between hour hand and minute hand is 90°+ 10°=100°