Gives A1 BD, ED 1 BD, ZABC = ZEDC Prove 2CBD s LCDB STATEMENTS 1. 38.80 ZD LAD 2. ZABD is a night angle ZEDB is right angle 3. IBD 90° LEDS-90 4. MEABC + CBD <- 90° MEEDC ECD8 <-90 5. ZABC ZEDC &MZABC-MZEDC 7. LABC -LED ZCBD LCDB & EDC+ CBD - LEDC ECDB 9. MZCBD = m2CDB REASONS 10. ZCBD & LCDB Given 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 ALBD, ED & BD, ZABC ZEDC
Prove ZCBD ZCDB
STATEMENTS
1. 40 L 85
ED L BD
2. LAND is a right angle
ZEDM is a right angle
nên
LEDB-90
4. ZABC CBD
<-90"
MZEDC m2CDB
<-90"
5. ZAC ZEDC
6. mABC m2KDC
7. ABC+ m2CBD
MZEDC m2CDB
REASONS
8 m2EDC+ CRD
mZEDC mCDB
9. MZCBD = m2CDB
10. ZCRD = 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 2. LAND is a right angle ZEDM is a right angle nên LEDB-90 4. ZABC CBD <-90" MZEDC m2CDB <-90" 5. ZAC ZEDC 6. mABC m2KDC 7. ABC+ m2CBD MZEDC m2CDB REASONS 8 m2EDC+ CRD mZEDC mCDB 9. MZCBD = m2CDB 10. ZCRD = ZCDB Given def of congruence
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