abb23 abb23
  • 11-01-2021
  • Mathematics
contestada

4.
(8x + 40)°

Solve this please

4 8x 40 Solve this please class=

Respuesta :

bexwhite2610
bexwhite2610 bexwhite2610
  • 11-01-2021

Answer:

it is an equalateral triangle on a line. equalateral triangle all angles are the same. 180 degrees in a triangle so the angle in the triangle must be 60 degrees.

180 degrees on a straight line so 60 pus 40 = 100 which means 8x is 80

80 + 40 = 120 degrees

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