15. In the figure, OCTD is a sector of a circle which touches AB at T. Given that AB 20 cm and BO = 16 cm. (a) By joining OT, show that AOAT is similar to ABAO. (b) Hence, or otherwise, find the radius of the sector. AC
15. In the figure, OCTD is a sector of a circle which touches AB at T. Given that AB 20 cm and BO = 16 cm. (a) By joining OT, show that AOAT is similar to ABAO. (b) Hence, or otherwise, find the radius of the sector. AC
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 30E
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How to find the radius?
![*15. In the figure, OCTD is a sector of a circle which touches
AB at T. Given that AB = 20 cm and BO 16 cm.
(a) By joining OT, show that AOAT is similar to ABAO.
(b) Hence, or otherwise, find the radius of the sector.
A C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ef3a4d0-2d87-42f5-86ee-ec81003343cc%2F3ed56a38-d82e-4322-90c0-cb113b73f316%2Fjj8dejr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:*15. In the figure, OCTD is a sector of a circle which touches
AB at T. Given that AB = 20 cm and BO 16 cm.
(a) By joining OT, show that AOAT is similar to ABAO.
(b) Hence, or otherwise, find the radius of the sector.
A C
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