ahmedislife
ahmedislife ahmedislife
  • 21-02-2022
  • Mathematics
contestada

help me with angle sum theorem please

help me with angle sum theorem please class=

Respuesta :

anniinakinnunen9 anniinakinnunen9
  • 21-02-2022
Angle x must be 80° because 180°-100°= 80°
Sum of triangles Angela are 180°
So y=180°-80°-45°
Y=55°
Answer Link
jimrgrant1 jimrgrant1
  • 21-02-2022

Answer:

y = 55°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

100° is an exterior angle of the triangle , then

y + 45° = 100° ( subtract 45° from both sides )

y = 55°

Answer Link

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