.When the time is 8.30, the angle between the minute hand and the hour hand of a clock is:
A. .80°
B. 75°
C. .60°
D. 105°
Answer:B
.When the time is 8.30, the angle between the minute hand and the hour hand of a clock is:
A. .80° B. 75° C. .60° D. 105°
Explanation: In 17/2 hours, the angle indicated by the hour hand equals (360/12 x 17/2)° = 255°,(360/60 x 30)° = 180° angle sketched by min. hand in 30 minutes, (255 - 180)° = 75° required angle.