usg6sx7dp5 usg6sx7dp5
  • 07-06-2021
  • Mathematics
contestada

PLEASE HELP i have less than 20 mins left

PLEASE HELP i have less than 20 mins left class=

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banntho3 banntho3
  • 07-06-2021

3a) Answer: 84 degrees

Step-by-step explanation:

3x + 2(x+20)= 180 (total sum of angles in a triangle is 180 degrees)

5x+40 = 180

5x = 140

x= 28

3x= 28 x 3

   = 84

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