sammolsey1 sammolsey1
  • 21-01-2021
  • Mathematics
contestada

Show that the triangle below is not a right-angled triangle.
(5x-8)
(3x - 5)
(2x + 3)
Diagram not drawn to scale

Show that the triangle below is not a rightangled triangle 5x8 3x 5 2x 3 Diagram not drawn to scale class=

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asmaNasr
asmaNasr asmaNasr
  • 21-01-2021

Step-by-step explanation:

A right triangle is a triangle in which one of the angles is a 90∘ angle.

[tex](5x - 8) + (2x - 5) + (2x + 3) = 180 \\ 9x - 10 = 180 \\ 9x = 190 \\ x = \frac{190}{9} \\ x = 21.11[/tex]

[tex](5x - 8) =97.56 \\ (2x - 5) =37.22 \\ (2x + 3) =45.22 \\ [/tex]

Since None of the angels is 90° , so the triangle is not a right triangle.

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