Question
An accurate clock shows 7 a.m. Through how many degrees will the hour hand rotate when the clock shows 1 p.m.?
The correct answer is
180°
From 7 a.m. to 1 p.m. is a gap of 6 hours. The hour hand completes a full 360° turn in 12 hours, so it moves 30° every hour. In 6 hours, the hour hand rotates 6 × 30° = 180°.
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Important Questions from Angles and measures in degrees and radians
If P = sin20 θ + cos48 θ, then the inequality that holds for all values of θ is
Express \({\pi\over 12}\) radians in degrees.
- Which of the following angles is same as 135° ?
- Which of the following is the best approximated degree measure of 4 radians?
30 degree is equal to _________ radians.
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