Answer:
plug in the numbers for radius, and know your formulas. a diameter is 2 times a radius so
Pi or 3.14 times D is the same as 2 times pi times radius.
1.5
...
−2∣−0.25∣+2
−2×0.25+2
−0.5+2
Set . Find the tangent line to at the point when :
(slope of )
Set , the root of . The tangent line to at has slope and thus equation
which has its root at .
(The actual value of this root is about -0.6777)
3x=71-2
3x=69
x=69/3
x=23