Math, asked by alekhyamarthi24, 4 months ago

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Answers

Answered by niranjnasp
0

Answer:

Use RHS property to prove.

Step-by-step explanation:

GIVEN:

      XY=YZ                                                            1

      BY=YC                                                           2

      XY⊥AB

      BY⊥AC

∴∠AXY=90°=∠BXY  ( LINEAR PAIR )                    3

 ∠AZY=90°=∠CZY   ( LINEAR PAIR )                    4

From 1,2,3,4 In ΔBXY and ΔCYZ

    XY=YZ

    BY=YC

∠BXY=∠CZY

ΔBXY ≅ ΔCYZ  ( RHS property of triangle )

 ∴ BX = CZ                          A

JOIN AY to make ΔAXY and ΔAZY

   ∠AXY = 90° = ∠AZY ( GIVEN )

         XY = ZY ( GIVEN )

    ∠AYX =∠AYZ ( AY BISECTS ∠XYZ )

∴ ΔAXY ≅ ΔAZY ( ASA property )

      ∴ AX = AZ                       B

FROM adding A and B

AX+BX = AZ+ZC

      AB = AC

 Hence proved

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