In this task, you have worked with numeric fractions and algebraic fractions (rational expressions). Describe how operations on
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Given:
In circle L, measure of angle KLM is 54 degrees and KL = 10 units.
To find:
The length of arc KM.
Solution:
The formula for arc length is:
...(i)
Where, r is the radius of the circle and is the central angle in degrees.
The measure of KL is 10 units, it means the radius of the circle L is 10 units.
The measure of angle KLM is 54 degrees, it means the measure of central angle on arc KM is 54 degrees.
Putting in (i), we get
Therefore, the length of arc KM is 9.42 units.