Answer:
Obtuse Triangle.
Step-by-step explanation:
The Pythagorean Theorem helps us to Classify Triangles according to its sides.
If [tex]a^{2}+b^{2}>c^{2}[/tex], then lengths a, b, and c make up an acute triangle.
If [tex]a^{2}+b^{2} <c^{2}[/tex] then lengths a, b, and c make up the sides of an obtuse triangle.
If [tex]a^{2}+b^{2}=c^{2}[/tex] Then the length a,b,c make a right triangle.
The given sides are 5,7 and 11.
[tex]5^{2}+7^{2}<11^{2}[/tex]
Or 74<121
Or [tex]a^{2}+b^{2} <c^{2}[/tex]
So given triangle is obtuse triangle.
