1. The following is a 3-D diagram. Determine the apex angle (0) of the front face of triangle JFR. Clearly number your process steps to show the flow of your planning and processing. Use a few words of explanation in your solution. J R 20 25 m 19 m 124⁰ 40° F
1. The following is a 3-D diagram. Determine the apex angle (0) of the front face of triangle JFR. Clearly number your process steps to show the flow of your planning and processing. Use a few words of explanation in your solution. J R 20 25 m 19 m 124⁰ 40° F
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter3: Graphing Linear Functions
Section3.5: Graphing Linear Equations In Slope-intercept From
Problem 55E
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Solve for all the missing angles in order to get the apex angle. Once you have found all of them, use the following formula to calculate the apex angle.
Transcribed Image Text:<C= cos
a² +b²_c²\
2ab
(
Transcribed Image Text:1. The following is a 3-D diagram. Determine the apex angle (0) of the front face of triangle
JFR. Clearly number your process steps to show the flow of your planning and processing.
Use a few words of explanation in your solution.
/10
R
20
25 m
19 m
Ꮎ
124⁰
40°
LL
F
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