The sum of the angles swept by minute and hour hands in 54 minutes is324°327°347°351°
Question
The sum of the angles swept by minute and hour hands in 54 minutes is
- 324°
- 327°
- 347°
- 351°
Solution
1. Break Down the Problem
To determine the sum of the angles swept by the minute and hour hands in 54 minutes, we must calculate the angle for each hand separately and then combine these values.
2. Relevant Concepts
- The minute hand moves at a rate of per minute (since it completes in 60 minutes).
- The hour hand moves at a rate of per minute (since it completes in 12 hours, or minutes).
3. Analysis and Detail
Step 1: Calculate the angle swept by the minute hand
Substituting minutes:
Step 2: Calculate the angle swept by the hour hand
The hour hand moves for every minute. For 54 minutes:
Step 3: Add the angles swept by both hands
4. Verify and Summarize
The calculations for both angles have been verified, and their sum correctly represents the total angle swept by the hour and minute hands in 54 minutes.
Final Answer
The sum of the angles swept by the minute and hour hands in 54 minutes is .
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