“Degree” is a unit of measurement. The most use this unit of measurement in calculating temperature and measuring angles. In Physics and Mathematics, we come across this unit of measurement more frequently. This article on how to calculate degrees will help you in measuring the degrees of angles and the temperature in degrees. It is usually denoted by the symbol °. This symbol has a large number of uses.
Calculating degrees of temperature
Degrees of temperature is calculated in two units i.e. degree Celsius and degree Fahrenheit. Degree Celsius is also called as degree centigrade or Kelvin. We use a thermometer to calculate the atmospheric temperature. These thermometers allow us to calculate the temperature in degree Fahrenheit or in degree Celsius. Both these units are inter-convertible.
Converting Celsius to Fahrenheit
- Multiply the value calculated in Celsius by 1.8
- Add 32 to this value
Formula:
F = 1.8 × C + 32
Converting Fahrenheit to Celsius
- Subtract 32 from the value calculated in Fahrenheit
- Multiply this value by 0.556
Formula:
C = (F – 32) × 0.556
Converting Fahrenheit to Kelvin
- Subtract 32 from the calculated value
- Multiply it by 0.556
- Add 270
Formula:
K = (F – 32) × 0.556 + 270
Converting Kelvin to Fahrenheit
- Subtract 270 from the value in Kelvin
- Multiply by 1.8
- Add 32 to this value
Formula:
F = (K-270) 1.8 + 32
- You can also change the value in Celsius to Kelvin by adding 270 to the Celsius value and change the value in Kelvin to Celsius by subtracting 270 from the Kelvin value.
- Using online calculators for estimating the temperature and for conversions will also help you to calculate degrees.
Calculating degree of an angle
We also measure the angles in degrees. In this case it indicates the inclination of the angle. In mathematics we measure angles using a protractor.
- A protractor may be circular or D–shaped. This protractor has many divisions on it. Two successive larger segments of the divisions are divided into ten smaller segments.
- The distance between two successive larger segments is a measure of 10. Each smaller segment measures 0.50.
- If you use a D-shaped protractor, you can measure an angle whose inclination is up to 1800, whereas a circular protractor will allow you to measure angles up to 3600.
Steps for measuring degrees of angle
A protractor consists of a horizontal line and a perpendicular bisector that divides the protractor into two portions, each subdivision measuring angle up to 900.
- Step 1: Align the horizontal line of the protractor on the one of the arcs of the angle.
- Step 2: Now, starting from this horizontal line, measure the graduations up to which the other arc of the angle coincides with the protractor.
- Step 3: Note down this reading, this is the measure of your angle. If the second arc of the angle is coinciding with the 45th division of the protractor, then the measure of the angle is 450. If the arc lies between 54th and 55th division of the protractor then measure of the angle will be 54.50.
You require a keen observation to measure the angles as the lines on the protractor are very small. Degrees can also be used for calculating degree of freedom, distance from latitude and longitude, etc.
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