Answer:
please try do the rest by yourself..Of you didn't get the answer you can ask me through comment..
4.true
5.false
6.true
7.true
8.true
Three line segments can form a triangle if the length of the longest segment is greater than the sum of the lengths of the shorter segments.

They can form a triangle.
Now if c is the length of the longest side and a and b are the lengths of the shorter sides, then:
- if

, the triangle is right
- if

, the triangle is acute
- if

, the triangle is obtuse

The triangle is obtuse.
The answer is D.
Answer:
so u take all angles and add them then find the value of x by dividing it by 180degrees