Q2- Obtuse angles, and the ambiguous case Triangle ABC is such that AB= 8.2 cm, BC = 5 cm and angle BAC = 32°. 8.2 cm 32° The diagrams show how there can be 2 possible answers for angle ACB. 8.2 cm Work out the values of these 2 answers. Give your answers correct to the nearest degree. 32° A A C B 5 cm B 5 cm C ACB = ACB = O O

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter1: Line And Angle Relationships
Section1.CT: Test
Problem 23CT
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Q2 - Obtuse angles, and the ambiguous case
Triangle ABC is such that
AB= 8.2 cm, BC = 5 cm
and angle BAC = 32°.
8.2 cm
32°
The diagrams show how
there can be 2 possible
answers for angle ACB.
8.2 cm
Work out the values of
these 2 answers.
Give your answers correct
to the nearest degree.
A
32°
Work out the obtuse angle x. Give
your answer to the nearest degree.
X =
A
30°
C
B
5 cm
B
x
5 cm
C
10 cm
ACB =
ACB =
6.3 cm
O
O
Transcribed Image Text:Q2 - Obtuse angles, and the ambiguous case Triangle ABC is such that AB= 8.2 cm, BC = 5 cm and angle BAC = 32°. 8.2 cm 32° The diagrams show how there can be 2 possible answers for angle ACB. 8.2 cm Work out the values of these 2 answers. Give your answers correct to the nearest degree. A 32° Work out the obtuse angle x. Give your answer to the nearest degree. X = A 30° C B 5 cm B x 5 cm C 10 cm ACB = ACB = 6.3 cm O O
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