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Etheses - Saurashtra University

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(153) ∆ DEF VG[ ∆PQRGL ;\UTTF DEF↔ QPR DF8[ DF ≅ PQ , ∠F ≅ ∠ P VF5[,CMI4 TM AFB}AF 5}J"WFZ6FG[ VFWFZ[ T[ ;\UTTF V[S~5TF YJF SI]\ V[S~5 V\U H~ZL K[ m(A) DF ≅ QR (B) ∠ D ≅ ∠ Q (C) EF ≅ RP (D) DE ≅ PQ(154) ∆ ABC DF\ AB ≅ BC K[P Ô[ m ∠ A = 40 CMI4 TM SI]\ ;FR]\ m(A) m ∠ B = 40 (B) m ∠ C = 40(C) m ∠ B = 140 (D) m ∠ c = 140(155) ∆ ABC DF\ BC 5Z lA\N] D V[J]\ K[ S[ H[YL AD = BD = CD K[P TM X]\ ;FR]\ K[ m(A) ∆ ABC ;DE]H l+SM6 K[P(B) ∆ ABC SF8SM6 l+SM6 K[P(C) ∆ ABC ;Dl£E]H l+SM6 K[P(D) ∆ ABC ;Dl£E]H SF8SM6 l+SM6 K[P(156) ∆ ABC DF\ m ∠ C = m ∠ A K[4 TM S. A[ AFH]VM V[S~5 YX[ m(A) AC VG[ BC(B) BC VG[ AB[(C) AB VG[ AC(D) UD[ T[ A[ AFH](157) ∆ ABC VG[ ∆PQRGL m∠ B = m∠ Q=90, AB ≅ QR TYF BC ≅ PQ K[4 TMS. ;\UTTF S. XZTYL V[S~5TF K[ m(A) SFSAF o ABC ↔ PQR(B) AFAFAF o ABC ↔ RPQ(C) AFB}AF o ABC ↔ RQP(D) SFSAF o ABC ↔ RQP(158) ∆ ABCVG[ ∆ PQRDF\ AB ≅ QR , VG[ AC ≅ PQ K[ TM S. ;\UTTF S. XZTYL V[S~5TF K[ m(A) AFAFAF o ABC ↔ PQR(B) AFAFAF o ABC ↔ QRP(C) AFB}AF o ABC ↔ QPR(D) B}AFB} o ABC ↔ PRQ(159) ∆ ABC VG[ ∆ PQR DF8[ ∠ A≅ ∠ Q, CA ≅ PQ VG ∠ C≅ ∠ P CMI4 TM S.;\UTTF V[S~5TF YFI m(A) ABC ↔ QPR(B) ABC ↔ QRP(C) ABC ↔ PRQ(D) ABC ↔ RPQ(160) ∆ ABC DF\ ∠ A ≅ 5 VG[ BC = 4 TM ∆ ABC GL 5lZlDlT S[8,L m(A) 9 (B) 14 (C) 13 (D) 15(161) ∆ PQR DF\ PQ ≅ PR VG[ Q-R-S K[P Ô[ m ∠ PRS = 140 CMI4 TM m ∠ PQR S[8,M m(A) 40 (B) 50 (C) 70 (D) 140(162) ∆ ABC VG[ ∆XYZDF\ ∠ B ≅ ∠ Z, ∠ C≅ ∠ X VG[ BC ≅ XZ CMI4 TM S.XZTYL S. ;\UTTF V[S~5TF YFI m(A) AFB}AF o ABC ↔ XYZ(B) B}B}AF o ABC ↔ XZY(C) B}AFB} o ABC ↔ YXZ(D) B}AFB} o ABC ↔ YZX(163) ∆ PQR DF\ PQ = 4, QR = 6 VG[ PR = 5 K[4 TM ∆PQR GM ;F{YL DM8F DF5GM B}6M SIM m(A) ∠ P (B) ∠ Q (C) ∠ R (D) ∠ QRP(164) ∆ XYZ DF\ m ∠ X = 45 VG[ m ∠ Z = 60 K[4 TM ∆ XYZ GL ;F{YL DM8L AFH] S. m(A) XY (B) YZ (C) XZ (D) XY VG[ YZ(165) A[ lA\N]VM A VG[ B YL ;ZBF V\TZ[ VFJ[,F lA\N]VMGM U6 X\] NXF"J[ K[ m(A) AB GM ,\Al£EFHS(B) AB GM ,\A(C) AB G[ ;DF\TZ Z[BF(D) ∠ A GM l£EFHS206

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