The cross section of a rivet has a top that is an arc of a circle (see the figure). If the ends of the arc are 12 millimeters apart and the top is 4 millimeters above the ends, what is the radius of the circle containing the arc?

The cross section of a rivet has a top that is an arc of a circle (see the figure). If the ends of the arc are 12 millimeters apart and the top is 4 millimeters above the ends, what is the radius of the circle containing the arc?

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter8: Areas Of Polygons And Circles

Section8.5: More Area Relationships In The Circle

Problem 43E: An exit ramp from one freeway to another freeway forms a 900 arc of a circle. The ramp is scheduled...

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Question

The cross section of a rivet has a top that is an
arc of a circle (see the figure). If the ends of the
arc are 12 millimeters apart and the top is 4
millimeters above the ends, what is the
radius of the circle containing the arc?

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