a
To calculate: The Circumference of
a
Answer to Problem 11PSA
Circumference of circle is
Explanation of Solution
Given information:
Here, we have given that in rectangle RECT,
Formula used: Diagonal of rectangle =
Circumference of circle is
Calculation: Diagonal =
Now, As Diagonal of the rectangle is passing through the center of circle,
Now, Circumference of circle =
b
To calculate: The Area of circle.
b
Answer to Problem 11PSA
Area of circle is
Explanation of Solution
Given information:
Here, we have given that in rectangle RECT,
Formula used: Area of circle is
Calculation: Radius ( r ) = 6.5 (Proved above)
So, Area of circle =
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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