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Semenov [28]
3 years ago
15

Use a paragraph, flow chart, or two-column proof to prove that ZX is the perpendicular bisector of side WY.

Mathematics
1 answer:
balu736 [363]3 years ago
5 0

Answer:

The proof is given below.

Step-by-step explanation:

Given:

∠WZX ≅ ∠YZX

ZW ≅ ZY

To Prove:

ZX is a perpendicular bisector of WY

Proof:

In  Δ WZX  and Δ  YZX

 Statement                             Reasons

ZW ≅ ZY                              ……….{Given}

∠WZX ≅ ∠YZX                …………..{Given}

ZX ≅ ZX                              ……….{Reflexive Property}

ΔWZX  ≅ ΔYZX                       ….{Side-Angle-Side test}

WX ≅ YX                      ....{corresponding sides of congruent triangle or cpct}

∠ZXW ≅ ∠ZXY           ...{corresponding angles of congruent triangle or cpct}

But W-X-Y is a straight Line

\angle ZXW +\angle ZXY = 180       ...Linear pair postulate

2\times \angle ZXW =180

\angle ZXW =\dfrac{180}{2}=90\°

∴      WX ≅ YX                     {ZX bisects WY}

   ∠ZXW ≅ ∠ZXY = 90°     {ZX Perpendicular WY

∴ ZX is a perpendicular bisector of WY

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