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Convert each angle to decimal degrees. When necessary round to four decimal places. $$ 44^{\circ} 19^{\prime} 32^{\prime \prime} $$

Short Answer

Expert verified
44.3256 degrees

Step by step solution

01

- Understand the Components

Identify each part of the angle given: degrees, minutes, and seconds. Here, it is 44 degrees, 19 minutes, and 32 seconds.
02

- Convert Seconds to Decimal Degrees

Convert the seconds to a decimal fraction of a minute. Using the formula \(\frac{\text{seconds}}{60}\), we get \(\frac{32}{60} = 0.5333\) (rounded to four decimal places).
03

- Combine Minutes and Decimal Seconds

Add the decimal seconds from Step 2 to the minutes: \(19 + 0.5333 = 19.5333\).
04

- Convert Minutes to Decimal Degrees

Convert the total minutes from Step 3 to decimal degrees using the formula \(\frac{\text{minutes}}{60}\). This gives us \(\frac{19.5333}{60} = 0.3256\) (rounded to four decimal places).
05

- Combine Degrees and Decimal Degrees

Add the initial degrees to the decimal degrees obtained in Step 4: \(44 + 0.3256 = 44.3256\).
06

Final Check

Ensure all calculations are rounded to four decimal places and confirm the result.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

decimal degrees
When working with angles, sometimes we need to convert them into decimal degrees for more precise calculations. Decimal degrees represent angles as a single numerical value, rather than separating them into degrees, minutes, and seconds.

To convert an angle into decimal degrees, follow these steps:
  • First, identify the degrees, minutes, and seconds components of the angle.
  • Next, convert the seconds to a decimal fraction by dividing by 60.
  • Add the resulting fraction to the minutes.
  • Then, convert the total minutes to a decimal fraction by dividing by 60 again.
  • Finally, add this result to the degrees to obtain your angle in decimal degrees.
Let's try these steps with our example of \(44^{\circ} 19^{\prime} 32^{\prime \prime}\). We converted 32 seconds to 0.5333 minutes and added this to 19 minutes to get 19.5333 minutes. We then converted this result to decimal degrees (0.3256) and added it to our initial 44 degrees to arrive at 44.3256 decimal degrees.
This process helps you use angles in applications requiring higher accuracy, like GPS calculations or astronomy.

angle measurement
Angles can be measured in various ways, among which the most common are degrees, radians, and gradians.

For most everyday applications, degrees are the typical units of angle measurement. A full circle consists of 360 degrees. Each degree can be further divided into 60 minutes, and each minute into 60 seconds. These smaller divisions help in achieving more precise angle measurements.

Here's a brief dictionary for these terms:
  • Degrees (\(^{\circ}\)): The largest unit in this context, providing a broad measure of the angle.
  • Minutes (^{\prime}): Each degree is divided into 60 minutes. Represented with a single quote.
  • Seconds (^{\prime\prime}): Each minute is divided into 60 seconds. Represented with a double quote.
These subdivisions enable us to convey angles with exact precision. By breaking the measurements down, we can describe angles more accurately in various fields such as navigation, engineering, and astronomy.

Understanding these units of angle measurement and how they interrelate is essential for converting to decimal degrees or performing precise calculations.
degrees minutes seconds
Degrees, minutes, and seconds (DMS) are a traditional way to express and measure angles. This system is rooted in ancient Babylonian astronomy and continues to be widely used today for its precision.

The notation works as follows:
  • Degrees (\(^{\circ}\)): The primary unit measuring whole-number values of the angle.
  • Minutes (^{\prime}): Subdivides each degree into 60 equivalent smaller parts. Represented by a single quote.
  • Seconds (^{\prime\prime}): Further breaks down each minute into 60 smaller pieces. Represented by a double quote.
For example, \(44^{\circ} 19^{\prime} 32^{\prime\prime}\) denotes 44 whole degrees, 19 minutes, and 32 seconds.

To convert from DMS to decimal degrees, you can simplify and combine these subdivisions as fractions of a degree:
  • Convert seconds to a decimal fraction of minutes: Divide by 60, \(\frac{32}{60} = 0.5333\).
  • Add this result to the minutes: 19 + 0.5333 = 19.5333 minutes.
  • Convert the total minutes to a decimal fraction of degrees: Divide by 60 again, \(\frac{19.5333}{60} = 0.3256\).
  • Combine this with the degrees: 44 + 0.3256 = 44.3256 degrees.
This method allows us to turn complex angle measurements into simple, decimal-based values, making them easier to use in calculations.

By practicing these conversions, you can improve your ability to work with different forms of angle measurements efficiently.

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