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In circle M with m, angle, L, M, N, equals, 46, degreesm∠LMN=46 ∘ and L, M, equals, 14LM=14 units, find the length of arc, L, N LN⌢ . Round to the nearest hundredth.

Question

In circle M with m, angle, L, M, N, equals, 46, degreesm∠LMN=46 ∘ and L, M, equals, 14LM=14 units, find the length of arc, L, N LN⌢ . Round to the nearest hundredth.

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Solution 1

To find the length of arc LN, we need to use the formula for the length of an arc, which is:

Arc length = (m∠ / 360) * 2πr

Where:

  • m∠ is the measure of the angle in degrees, which is 46 degrees in this case.
  • r is the radius of the circle, which is 14 units in this case.

So, substituting the given values into the formula, we get:

Arc length = (46 / 360) * 2π * 14

Now, we just need to calculate the above expression to find the length of arc LN.

Arc length = 0.12778 * 2 * 3.1416 * 14

Arc length = 11.30973 units

So, the length of arc LN is approximately 11.31 units when rounded to the nearest hundredth.

This problem has been solved

Solution 2

To find the length of arc LN, we need to use the formula for the length of an arc, which is:

Arc length = (m∠ / 360) * 2πr

Where:

  • m∠ is the measure of the angle subtended by the arc at the center of the circle, in degrees
  • r is the radius of the circle

Given that m∠LMN = 46 degrees and LM = 14 units (which is the radius of the circle), we can substitute these values into the formula:

Arc length = (46 / 360) * 2π * 14

Now, we just need to calculate the above expression to find the length of arc LN.

Arc length = 0.12778 * 2 * 3.14159 * 14 = 11.30973 units

Rounding to the nearest hundredth, the length of arc LN is approximately 11.31 units.

This problem has been solved

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