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anonymous

  • 4 years ago

Geometry Question: How do I prove a triangle isosceles when there is a rectangle placed in the middle of it?

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  1. anonymous
    • 4 years ago
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    Give the drawing

  2. anonymous
    • 4 years ago
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    i forgot one thing

  3. anonymous
    • 4 years ago
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    it is not necessarily isoceles till you make clear what middle imples.

  4. anonymous
    • 4 years ago
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    |dw:1328375071307:dw|

  5. anonymous
    • 4 years ago
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    properties of a rectangle apply

  6. jhonyy9
    • 4 years ago
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    what sign exactly ,,in the middle of it " ? ... middle of two lateral sides ?

  7. anonymous
    • 4 years ago
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    This is the picture I am given, and i have to prove the triangle isosceles

  8. anonymous
    • 4 years ago
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    Use congruence of triangles to proves that tir(GPH) and tri(KMJ) are congruent by RHS condition. Now use fact that corresponding angles of congruent tringles are equal to show Base angles of triangle are equal . Hence proved

  9. anonymous
    • 4 years ago
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    I know that I have to prove the triangles congruent and then I can just use cpctc to prove the triangle isosceles, but I do not know what rhs condition is. -__-

  10. anonymous
    • 4 years ago
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    Both triangles must be right angles-R have one side equal -S hve hypotenetuse Equal-H

  11. anonymous
    • 4 years ago
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    Oh right! hypotenuse leg! I forgot! thanks a lot

  12. anonymous
    • 4 years ago
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    |dw:1328375404823:dw| mk=GP , mj=ph and h=j 90 degree now pgm = mjk if pgm = mjk then k=G if k=G then ogk is isosceles

  13. anonymous
    • 4 years ago
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    |dw:1328386560821:dw|

  14. jhonyy9
    • 4 years ago
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    so because HP equal MJ from this result that angle G equal angle K so from this result that the triangle GOK is isosceles

  15. jhonyy9
    • 4 years ago
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    - so this is the shorter prooff and easy

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