The figure below shows a circle with radius 7.2 m surrounded by four equilateral triangles whose sides equal the diameter of the circle. Each single side of these triangles intersect at the circle’s center. Calculate the shaded area.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Question

The figure below shows a circle with radius 7.2 m surrounded by four equilateral triangles whose
sides equal the diameter of the circle. Each single side of these triangles intersect at the
circle’s center. Calculate the shaded area.

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