Math Problem Statement

Angle at 5:10 is

Solution

The angle between the hour and minute hands of a clock at 5:10 can be calculated using the following approach:

Step 1: Calculate the position of the hour hand

Each hour on the clock represents an angle of 30 degrees (since 360/12=30360^\circ / 12 = 30^\circ per hour). At exactly 5:00, the hour hand is at: 5×30=1505 \times 30^\circ = 150^\circ

However, at 5:10, the hour hand has moved slightly ahead because it's not exactly at 5:00. The hour hand moves 0.5 degrees per minute (since 30/60=0.530^\circ / 60 = 0.5^\circ per minute). So in 10 minutes, the hour hand moves: 10×0.5=510 \times 0.5^\circ = 5^\circ Thus, the position of the hour hand at 5:10 is: 150+5=155150^\circ + 5^\circ = 155^\circ

Step 2: Calculate the position of the minute hand

Each minute represents an angle of 6 degrees (since 360/60=6360^\circ / 60 = 6^\circ). At 10 minutes, the minute hand is at: 10×6=6010 \times 6^\circ = 60^\circ

Step 3: Calculate the angle between the two hands

The angle between the hour and minute hands is the absolute difference between their positions: 15560=95| 155^\circ - 60^\circ | = 95^\circ

So, the angle at 5:10 is 95 degrees.

Would you like more details or have any questions about the calculation?

Here are 5 related questions for further exploration:

  1. What is the angle between the hands at 7:25?
  2. How do you calculate the angle between the hands at any given time?
  3. What is the reflex angle at 5:10?
  4. How would the angle change at 5:20?
  5. What is the smallest angle between the hands at 4:45?

Tip: The minute hand moves 6 degrees per minute, while the hour hand moves 0.5 degrees per minute.

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Math Problem Analysis

Mathematical Concepts

Geometry
Angles on a clock

Formulas

Position of the hour hand = Hour × 30° + (Minutes × 0.5°)
Position of the minute hand = Minutes × 6°
Angle between hour and minute hands = |Hour hand position - Minute hand position|

Theorems

Basic properties of angles and circular motion

Suitable Grade Level

Grades 6-8