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2 years ago

Please help I’ll give brailiest

Mathematics

2 answers:

Scrat [10]2 years ago

3 0

The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17

vitfil [10]2 years ago

3 0

Step-by-step explanation:

2s+4s+78=180

6s=180-78

s=102/6

s=39.54

hope this helps you

have a nice day

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