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43 votes
Please help I’ll give brailiest

Please help I’ll give brailiest-example-1
User Un
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2 Answers

16 votes
16 votes
The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17
User Dng
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3.0k points
13 votes
13 votes

Explanation:

2s+4s+78=180

6s=180-78

s=102/6

s=39.54

hope this helps you

have a nice day

User Joel Shemtov
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3.5k points