kehlani71 kehlani71
  • 11-04-2022
  • Mathematics
contestada

Please help me with this

Please help me with this class=

Respuesta :

oreoland22
oreoland22 oreoland22
  • 11-04-2022

Answer:

8. 133°

9. 124°

Step-by-step explanation:

Because all triangles add up to 180°, the sum of all interior angle will add up to 180°.

8) 94 + 39 = 133

180 - 133 = 47

47° is the measure of the unknown interior angle, but we need the exterior and all straight lines are 180° angles, so we need to subtract.

180 - 47 = 133°

9)

81 + 43 = 124

180 - 124 = 56 (interior angle)

180 - 56 = 124° (exterior angle)

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