PLEASE HELP i have less than 20 mins left

asked Sep 7, 2022 64.2k views

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1 vote

3a) Answer: 84 degrees

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

Brissmyr answered Sep 13, 2022

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