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Elementary Geometry for College St...
Solutions
Elementary Geometry for College St...
Find exactly
To Find:
The length of the minor arc CD.
To find the length of the arc CD, first find the circumference of the circle.
The circumference of the circle,
It is given that the radius of the circle is 12 cm.
Therefore,
Therefore, the circumference of the circle is 75.36 cm.
Next, the degree of the arc CD is 135°.
The degree of the entire circle is 360°.
The ratio of the degree of the arc (m) to the degree of the entire circle (360) is the same as the ratio of the length of the arc to the circumference of the circle
Chapter 8 Solutions
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