ikingsebas69 ikingsebas69
  • 21-10-2021
  • Mathematics
contestada

A triangle has angle measures
x+15, 3x-35, and 4x.
What type of triangle is it? Be as specific as possible. Justify your answer.

Respuesta :

lemonzest17 lemonzest17
  • 21-10-2021
All angles in the triangle add up to 180 degrees. So,
(x+15) + (3x-35) + 4x = 180
8x - 20 = 180
8x = 200
x = 25

First angle : x+15 = 25+15 = 40 degrees
Second angle: 3x-35 = 3 * 25 - 35 = 40 degrees
Third angle: 4x = 4 * 25 = 100 degrees.

It is an isosceles triangle since it has two angles (the first end the second one) equal to each other.

Hope that helps :)
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