Respuesta :

1. is 35,  scalene
2. is 65, right
The sum of sides of a triangle is 180º
1)
40º+105º+x=180º
x=180º-40º-105º=35º

Answers:
35º scalene (scalene=no equal angles and no equal sides)
35º obtuse  (obtuse=has an angle more than 90º)

2)
90º+65º+x=180º
x=180º-90º-65º=25º

Answers:
25º right   (rigth= it has a right angle (90º))

3)
Answer: scalene

4)
answer:  isosceles

5)
acute triangle=all sides are acutes (length of sides<90)

Answers;
59º,61º,62º
56º,72º,52º


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