10.1
Examples:
JK,KL,andLJarealltangentto€O(nottoscale).
JA=9,AL=10,andCK=14.Findtheperimeterof△JKL.
Identify each line or segment that
intersects each circle.
1)"#=
2)'(=
3)"+=
4)B=
The segments in each figure are tangent to the
circle. Find each length.
5)Namethecenter.
6)Namealltheradii.
Verify a Tangent to a circle:
Hint:ConverseofPythagoreanTheorem:
~a2+b2=c2Is=>tangenttoʘP?
Inthefigurebelow,RPistangenttocircleQatR.Find
theradiusofcircleQ.
P
Find the radius of a circle: 24
R
26
Q