Please show me the complete solution on how did you come up with angle 3 and 4 thanks you Step2b)For Δ ΑEC,-(1)(2)6 cos 03 + 5. 5 cos 048m6 sin 63 =: 5.5 sin 045.5 sin 04()-103 = sinnow from equation (1),6 cos 03 + 5. 5 cos 048m-15.5 sin 046 cos sin- )+5. 5 cos 04 = 86Solving above equation by trial method,04 - 48. 55°5.5 sin(48.55)-103 = sin= 43. 40°03 + 04 + 05 = 180°05180°43. 40° – 48. 55°%3/88. 05° D025m5m4m044m035.5m4m6m0885BА5m

Cosine rule :In any △ABC: Where, a = BC; b = AC; c = ABcosC= a2+ b2 -c22ab…

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Math

Geometry

Please show me the complete solution on how did you come up with angle 3 and 4 thanks you

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Question

Please show me the complete solution on how did you come up with angle 3 and 4 thanks you

Step2
b)
For Δ ΑEC,
-(1)
(2)
6 cos 03 + 5. 5 cos 04
8m
6 sin 63 =
: 5.5 sin 04
5.5 sin 04
()
-1
03 = sin
now from equation (1),
6 cos 03 + 5. 5 cos 04
8m
-1
5.5 sin 04
6 cos sin
- )+5. 5 cos 04 = 8
6
Solving above equation by trial method,
04 - 48. 55°
5.5 sin(48.55)
-1
03 = sin
= 43. 40°
03 + 04 + 05 = 180°
05
180°
43. 40° – 48. 55°
%3/
88. 05°

D
02
5m
5m
4m
04
4m
03
5.5m
4m
6m
08
85
B
А
5m

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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