An Arc On A Circle Measures $250^{\circ}$. Within Which Range Is The Radian Measure Of The Central Angle?A. $\pi$ To $\frac{3 \pi}{2}$ Radians B. $\frac{3 \pi}{2}$ To $2 \pi$ Radians C.
Understanding the Relationship Between Degrees and Radians
To determine the range within which the radian measure of the central angle falls, we need to understand the relationship between degrees and radians. The radian measure of a central angle is calculated by dividing the measure of the angle in degrees by and then multiplying by radians.
Formula for Radian Measure
The formula to convert degrees to radians is given by:
Applying the Formula to the Given Angle
Given that the arc on a circle measures , we can use the formula to find the radian measure of the central angle.
Simplifying the Expression
To simplify the expression, we can divide the numerator and denominator by their greatest common divisor, which is .
Evaluating the Expression
Now, we can evaluate the expression to find the radian measure of the central angle.
Approximating the Value
To approximate the value, we can multiply the fraction by .
Calculating the Value
Now, we can calculate the value to find the radian measure of the central angle.
Determining the Range
Since the radian measure of the central angle is approximately , we need to determine the range within which this value falls.
Range of Radian Measures
The range of radian measures for central angles is typically given as:
- radians to radians
- radians to radians
Comparing the Value to the Ranges
Now, we can compare the value of the radian measure of the central angle to the two ranges.
Conclusion
Based on the comparison, we can conclude that the radian measure of the central angle falls within the range of to radians.
Final Answer
The final answer is B. to radians.
Understanding the Relationship Between Degrees and Radians
To determine the range within which the radian measure of the central angle falls, we need to understand the relationship between degrees and radians. The radian measure of a central angle is calculated by dividing the measure of the angle in degrees by and then multiplying by radians.
Formula for Radian Measure
The formula to convert degrees to radians is given by:
Applying the Formula to the Given Angle
Given that the arc on a circle measures , we can use the formula to find the radian measure of the central angle.
Simplifying the Expression
To simplify the expression, we can divide the numerator and denominator by their greatest common divisor, which is .
Evaluating the Expression
Now, we can evaluate the expression to find the radian measure of the central angle.
Approximating the Value
To approximate the value, we can multiply the fraction by .
Calculating the Value
Now, we can calculate the value to find the radian measure of the central angle.
Determining the Range
Since the radian measure of the central angle is approximately , we need to determine the range within which this value falls.
Range of Radian Measures
The range of radian measures for central angles is typically given as:
- radians to radians
- radians to radians
Comparing the Value to the Ranges
Now, we can compare the value of the radian measure of the central angle to the two ranges.
Conclusion
Based on the comparison, we can conclude that the radian measure of the central angle falls within the range of to radians.
Final Answer
The final answer is B. to radians.
Q: What is the relationship between degrees and radians?
A: The radian measure of a central angle is calculated by dividing the measure of the angle in degrees by and then multiplying by radians.
Q: How do I convert degrees to radians?
A: You can use the formula: .
Q: What is the formula for converting degrees to radians?
A: The formula is: .
Q: How do I simplify the expression when converting degrees to radians?
A: You can divide the numerator and denominator by their greatest common divisor.
Q: What is the range of radian measures for central angles?
A: The range of radian measures for central angles is typically given as: radians to radians and radians to radians.
Q: How do I determine the range within which the radian measure of the central angle falls?
A: You can compare the value of the radian measure of the central angle to the two ranges.
Q: What is the final answer for the given problem?
A: The final answer is B. to radians.
Q: How do I calculate the value of the radian measure of the central angle?
A: You can use the formula: and then approximate the value by multiplying the fraction by .
Q: What is the approximate value of the radian measure of the central angle?
A: The approximate value is .
Q: How do I compare the value of the radian measure of the central angle to the two ranges?
A: You can compare the value to the two ranges: radians to radians and radians to radians.
Q: What is the conclusion for the given problem?
A: The radian measure of the central angle falls within the range of to radians.