CPCTC PROOFS . B

AA

D CD

/B

C

D

44) Given: AEÿ-BE,CEÿ-DE.Prove: LC ÿ-LD

45) Given: AB ÿ- CD , BC _ÿ DA.Prove: LB-ÿLD

46) Given: L1 -_- Z2, L3 -__=_ L4.

Prove: DC ÿ- BA

47) Given: LI=L2,CE=CF,EA=FB.Prove: L3 _-- L4

B T CB

Q

49) Given: TQ bisects LRTS , TQ _L RS .

Prove: ÿ bisects RS

48) Given: BA _ÿ BC , DA -- DC .

Prove: BD bisects/ABC

CRA A D E B

51) Given:Prove:

C

A

50) Given: DC_ÿDE,Zx=Ly,Zz=Lw.

Prove:

BD

E

AE ---_ AC

AC _ÿ BC , CE ÿ CD , AE _L BD .Lr ÿ Ls

B

C

E

52) Given: AB is the _L bisector of CF, L1 ÿ z2, AD -- AE.Prove: LDÿ- ZE

AD

BD C

53) Given: /rÿ-Ls,BDÿ_CD.

Prove: AB ÿ AC

54) Given: AB 1 BC, DB / BE, BC ÿ BE, DB ÿ AB.Prove: LD _ÿ ZA

Fÿ Z-ITM-- i-2-

z-C ÿ /_b qÿCT&

-2 -4-iqÿq

SS5JCTC

6

Lÿ '---'- Z-H

5--Lÿ B-TA-

I:ÿ (ÿ LI -&£"LZ)/--3 ÿZ q

A-bc ÿ i_X6bÿ PcsFÿL.PCTC

tiV6ÿobd. of-=-

9ubsiitvhow

bet ttÿ---

5PGO?tT6

LBÿ---- z--b

. "-ÿ!

sSÿ&POT&

Tÿ lg s¢ C z_ ÿ-F>/._1% LZ-ftk LL ÿs

Z3-ÿ ÿq

6iVÿ

A3AGÿCTC

A

qÿvÿobÿÿ

5uÿlu -rÿ ÿq

CPCTC

5

LÿWntL#dÿ

Ss SLPÿTÿ