a
To find:The measure of the arc EF
a
Answer to Problem 3PSA
The measure of the arc EF is
Explanation of Solution
Given information:The following information has been given
Center of the
Radius of the circle is four units
Calculation:We know that the measure of an arc is the degree measure subtended by the arc to the center of the circle. Hence, the
b
To find:The length of the arc EF to the nearest tenth
b
Answer to Problem 3PSA
The length of the arc
Explanation of Solution
Given information:The following information has been given
Center of the circle is a origin
Radius of the circle is five units
Formula used:The length of any arc can be found by
Where
Calculation:We know that the length of the arc can be found by
Hence, we substitute the value of radius from the given information, and we get
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Geometry For Enjoyment And Challenge
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- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning