Asked by Ccs
How dor i find whay the radius of the curve if the middle ordinate measures 4.8 feet when using a chord with a length of 42 feet?
Answers
Answered by
MathMate
Use the intersecting chord theorem:
When two chords cut each other into
p1,p2 and p3,p4, then
p1*p2=p3*p4.
In the given case
(42/2)(42/2)=4.8(2R-4.8)
Solve for R.
When two chords cut each other into
p1,p2 and p3,p4, then
p1*p2=p3*p4.
In the given case
(42/2)(42/2)=4.8(2R-4.8)
Solve for R.
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