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PLEASE HELP i have less than 20 mins left

PLEASE HELP i have less than 20 mins left
asked 64.2k views
4 votes
PLEASE HELP i have less than 20 mins left

PLEASE HELP i have less than 20 mins left-example-1
asked
User Tonsic
by
8.8k points

1 Answer

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

answered
User Brissmyr
by
7.9k points
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