Given AB BD, ED 1 BD, ZABC LEDC Prove 2CBD s LCDB

Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter6: Quadratic Equations And Inequalities
Section6.5: More Quadratic Equations And Applications
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4. Given ALBD, ED & BD, ZABC ZEDC
Prove ZCBD ZCDB
STATEMENTS
1. 40 L 85
ED L BD
1. LAND is a right angle
ZEDB is s right angle
nên
LEDB-90
4. m2ABC ZCBD
<-90"
MZEDC MACDB
<-90"
5. ZABC ZEDC
6. m2ABC m2KDC
7. mABC + mZCBD
MZEDC 2CDB
REASONS
8 m2EDC+ CRD
m2KDC m2CDB
9. MZCBD = mzCDB
10. ZCBD = ZCDB
Given
def of
congruence
Transcribed Image Text:4. Given ALBD, ED & BD, ZABC ZEDC Prove ZCBD ZCDB STATEMENTS 1. 40 L 85 ED L BD 1. LAND is a right angle ZEDB is s right angle nên LEDB-90 4. m2ABC ZCBD <-90" MZEDC MACDB <-90" 5. ZABC ZEDC 6. m2ABC m2KDC 7. mABC + mZCBD MZEDC 2CDB REASONS 8 m2EDC+ CRD m2KDC m2CDB 9. MZCBD = mzCDB 10. ZCBD = ZCDB Given def of congruence
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