Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
Related questions
Question
Answer no.3 if you're not allowed to answer all.
![1. PQRST is a pentagon inscribed in a circle.
If ZRPS = 30°, ZQSR = 32°,ZPQS = 68° and SR = TS, find
all the angles of the pentagon.
R
2. ABC is tangent to the circle O at B; DB and EB are chords,
BF is a diameter. If BE = 100° andZABD = 35°, find
ZEBC,ZE, ZBOD, EF, DB and FD.
E
3. TB and TC are tangents to circle O.
a. If LTIS 35°, find COB, BC and CDB
b. If CDB is twice BC, find BC, CDB,ZCOB andT.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F208dfebe-4ef0-4f6d-a2a1-387e29b62092%2F8fb28970-d8e8-4d7b-8b96-aa953975ba92%2Fkakl9bh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. PQRST is a pentagon inscribed in a circle.
If ZRPS = 30°, ZQSR = 32°,ZPQS = 68° and SR = TS, find
all the angles of the pentagon.
R
2. ABC is tangent to the circle O at B; DB and EB are chords,
BF is a diameter. If BE = 100° andZABD = 35°, find
ZEBC,ZE, ZBOD, EF, DB and FD.
E
3. TB and TC are tangents to circle O.
a. If LTIS 35°, find COB, BC and CDB
b. If CDB is twice BC, find BC, CDB,ZCOB andT.
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