4. Given that AB || CF, m²E = 48 ° and m¿B=78º, %3D Prove: m²F=30° A 78° 199

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 4E
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Do all steps and gives reasons
4. Given that AB || CF,
m²E = 48 ° and m¿B=78°,
%3D
Prove: mzF=30 °
A
78°
48
F.
Transcribed Image Text:4. Given that AB || CF, m²E = 48 ° and m¿B=78°, %3D Prove: mzF=30 ° A 78° 48 F.
"Take Chances, Make M
Statements
Reasons
1. AB || CF
1. Given
2. mzE = 48°
2. Given
3. mzB=78°
3. Given
4.
4.
E
Transcribed Image Text:"Take Chances, Make M Statements Reasons 1. AB || CF 1. Given 2. mzE = 48° 2. Given 3. mzB=78° 3. Given 4. 4. E
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