Concept explainers
(a)
To Find: the measure of chord
(a)
Answer to Problem 22WE
Explanation of Solution
Given:
Circle is shown below.
Calculation:
Since,
Since, TP and PB are tangent and secant therefore.
Therefore, the answer is
(b)
To Find: the distance from O to AB in the circle shown.
(b)
Answer to Problem 22WE
Explanation of Solution
Given:
Circle is shown below.
Calculation:
Since,
Since, TP and PB are tangent and secant therefore.
Perpendicular from centre O to TP at T and AB is drawn below.
Here, OTPD is a rectangle and
Therefore, the answer is
(c)
To Find: the radius of circle shown in figure.
(c)
Answer to Problem 22WE
Explanation of Solution
Given:
Circle is shown below.
Calculation:
Since,
Since, TP and PB are tangent and secant therefore.
Perpendicular from centre O to TP at T and AB is drawn below.
Here, OTPD is a rectangle and
Radius is calculated as.
Therefore, the answer is
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McDougal Littell Jurgensen Geometry: Student Edition Geometry
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- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning