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A full turn is 360° which is equivalent to 2π radians
To convert form degrees to radians divided by 360° and multiply by 2π; however 360° = 180°×2, therefore divide by 180° and multiply by π radians.
→ 75° = 75° ÷ 180° × π radians = 5π/12 radians ≈ 1.31 radians
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How do you find the length of an arc in a circle?
You can measure it with a string. If you want to calculate it based on other measurements, you can multiply the radius times the angle, assuming the angle is in radians. If the angle is in degrees, convert it to radians first.
How do you find the angle with the radius and the arc length?
The arc length divided by the radius is the angle in radians. To convert radians to degrees, multiply by (180/pi).
Two angles form a linear pair the measure of the smaller angle is one half the measure of the larger angle find the degree measure of the larger angle?
i want the answer of this question can someone help me
Find the measure of the supplement of a 143 degree angle?
180 - 143 = 37 degrees
How do you measure a reflex angle?
A reflex angle must measure more than 180º and must be less than 360º.The easiest way to measure a reflex degree is to measure the smaller angle.Then subtract the smaller angle measure (in degrees) from 360º to find the reflex angle measure.A reflex angle is greater than 180 but less than 360 degrees
Find the cot of a 50 degree angle?
the cotangent of a 50 degree angle is -3.678 This is in Radians. The cotangent of a 50 degree angle is .8391 (rounded) degrees.
How do you find the length of an arc in a circle?
You can measure it with a string. If you want to calculate it based on other measurements, you can multiply the radius times the angle, assuming the angle is in radians. If the angle is in degrees, convert it to radians first.
How do you find the measure of an arc knowing only the chord of arc and radius?
you have a triangle formed by the radius on 2 and the chord on the other. the angle in that triangle that is opposite the chord, find its measure in radians take that measure (in radians) and multiply it by the radius to get the arc length
Find the degree measure of angle hrp?
40
A central angle of a circle of radius 30 cm intercepts an arc of 6 cm Express the central angle in radians and in degrees?
A central angle is measured by its intercepted arc. Let's denote the length of the intercepted arc with s, and the length of the radius r. So, s = 6 cm and r = 30 cm. When a central angle intercepts an arc whose length measure equals the length measure of the radius of the circle, this central angle has a measure 1 radian. To find the angle in our problem we use the following relationship: measure of an angle in radians = (length of the intercepted arc)/(length of the radius) measure of our angle = s/r = 6/30 = 1/5 radians. Now, we need to convert this measure angle in radians to degrees. Since pi radians = 180 degrees, then 1 radians = 180/pi degrees, so: 1/5 radians = (1/5)(180/pi) degrees = 36/pi degrees, or approximate to 11.5 degrees.
What do you use to measure a right angle?
If you absolutely needed to measure an angle to find out its degree measure, you would use a protractor.
What is the angle measures of a right angle?
A right angle is defined as 90 degrees, or pi/2 radians.
How does one calculate arc length when given the radius and angle measure in degrees?
To find the arc length given the radius and angle measure in degrees, you must first convert the angle from degrees to radians, using the formula: Degrees = Radians X (pi/180). Then take the radians and the radius that you are given, and put them into the formula of Q = (a/r) where Q is the angle in radians, a is the arc length, and r is the radius. When you have this, simple multiply both sides by the radius to isolate the a. Once you do this, you have your answer.
How do you find the side of a triangle?
To find the degree of angle of a side of a triangle, a protractor is needed to measure the angle. Place the '0' on the protractor on the point of the angle and look at the top part to determine degree of angle. To measure the length of a triangle side, a simple ruler can be used to measure the length.
Find the measure of the compliment of a 30 degree angle?
60 degrees
Find the measure of a supplement of the angle 45 degrees?
135 degree
How can you find the angle of regular number?
A number does not correspond to an angle. A number is a unitless measure whereas angles can be measured in at least two different sets of units: degrees or radians.
