4. Gives BBD, ED 1 BD, ZABC ZEDC Prove ZCBD & LCDB W STATEMENTS 1. 38.80 ZD & RD 2. ABD is right angle ZED is right angle 3. MID 9 MEEDB-90 & MLABC + MCBD <- 90° MEEDCMECDB <-90⁰ 5. ZABC ZEDC & MCADCMZEDC 7. ABC LED & MEDC+ - MZEDC CBD LCDB CBD REASONS ECDB 9. CBD m2CDB 10, ZCBD & 2CDB Given def of congrience

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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4. Given AB LBD, ED & BD, ZABC ZEDC
Prove 2CBD 2CDB
STATEMENTS
1. 40 L 85
ED L BD
2. LAND is a right angle
ZEDM is a right angle
nên
LEDB-90
4. m2ABC CBD
<-90"
MZEDC m2CDB
<-90"
5. ZABC ZEDC
6. mABC m2KDC
7. ABC+ m2CBD
MZEDC 2CDB
REASONS
8 m2EDC+ CRD
m2KDC m2CDB
9. MZCBD = m2CDB
10. ZCBD = ZCDB
Given
def of
congruence
Transcribed Image Text:4. Given AB LBD, ED & BD, ZABC ZEDC Prove 2CBD 2CDB STATEMENTS 1. 40 L 85 ED L BD 2. LAND is a right angle ZEDM is a right angle nên LEDB-90 4. m2ABC CBD <-90" MZEDC m2CDB <-90" 5. ZABC ZEDC 6. mABC m2KDC 7. ABC+ m2CBD MZEDC 2CDB REASONS 8 m2EDC+ CRD m2KDC m2CDB 9. MZCBD = m2CDB 10. ZCBD = ZCDB Given def of congruence
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