Answer:
Only at 6:00, the hands will be at the position of Linear Angle.
Explanation:
Linear Angle: Linear Angle also called a Straight Angle and its measures is equivalent to 180°
Now, here check each scenario
A.) 12:00
At 12: 00 Sharp, both the hands will be at 12.
Hence there will be a ZERO DEGREE ANGLE between them.
B.) 3:00
At 3: 00 Sharp, the hour hand will be at 3, minute hand at 12.
Hence there will be a ninety degree (RIGHT ANGLE) angle between them.
B.) 6:00
At 6: 00 Sharp, the hour hand will be at 6, minute hand at 12.
Hence there will be a 180 degree (LINEAR ANGLE) angle between them.
B.) 9:00
At 9: 00 Sharp, the hour hand will be at 9, minute hand at 12.
Hence there will be a ninety (RIGHT ANGLE) degree angle between them.
Hence, only at 6:00, the hands will be at the position of linear angle.