STATEMENTS 1.3.3 ED & 3D 1. ABD is a night angle ZEDB is right angle 90 3, 130 MEEDB-90 & ZABC+ZCBD - 90° MEEDC MECD8 5. ZABC EDC 6 m2ABC MEDC 7. ABC mZCBD ZED 8 m2EDC CBD 9. m2CBD ZCDB REASONS - EDC m/CD8 m2CDB 18, ZCBD 2CDB def of congrience

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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4. Given ABD, ED & BD, ZABC ZEDC
Prove ZCBD ZCDB
STATEMENTS
1. 40 L 85
ED L BD
2. ZARD is a right angle
ZEDM is a right angle
nên
LEDB-90
4. m2ABC+ 2CBD
<-90"
MZEDC MCDB
<-90"
5. ABC ZEDC
6. MADCmKDC
7. mABC+ m2CBD
MZEDC 2CDB
REASONS
8 m2EDC+ CRD
mZEDC mCDB
9. m2CBD m2CDB
10. ZCRD = ZCDB
Given
def of
congruence
Transcribed Image Text:4. Given ABD, ED & BD, ZABC ZEDC Prove ZCBD ZCDB STATEMENTS 1. 40 L 85 ED L BD 2. ZARD is a right angle ZEDM is a right angle nên LEDB-90 4. m2ABC+ 2CBD <-90" MZEDC MCDB <-90" 5. ABC ZEDC 6. MADCmKDC 7. mABC+ m2CBD MZEDC 2CDB REASONS 8 m2EDC+ CRD mZEDC mCDB 9. m2CBD m2CDB 10. ZCRD = ZCDB Given def of congruence
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