Answer:
therefore, ( 6 , 7 ) is correct.
Step-by-step explanation:
- if ( 8 , 5 ) - it will be an obtuse angle triangle.
- if ( 2, 4 ) - it will be an obtuse angle triangle
- if ( 6 , 7 ) - it will be an acute angle triangle
- if ( 7 , 7 ) - it will be a right angle triangle
note: acute triangle is a triangle which has every angle less than 90°
