You can put this solution on YOUR website! visit
http://edweb.tusd1.org/kukla/Mr_Kuklas_Website/Geometry/Worksheets/Circles/chap%20circ%20assign%2013.pdf
formula:
some more
1. An arch, in the shape of a circular arc, supports a pipeline (AB) across a river meters wide. Midway, the suspending cable (CD) is 3 meters long. Find the radius of the arch.
here is a sketch:
1.
; where segment; ;
answer:
2.
visit
http://www.shelovesmath.com/precal/parametrics-and-conics/#Circles
scroll down to
Applications of Circles
Problem:
