Verified Answer :

AL2006

Acute triangle . . . all three angles are less than 90°

Right triangle . . . one angle is 90°

Obtuse triangle . . . one angle is greater than 90°

Equilateral triangle . . . all three sides are the same length

Isosceles triangle . . . two sides are the same length

Scalene triangle . . . all three sides are different lengths

Acute traingle,right traingle,obtuse traingle, equilateral traingle,isosceles traingle,scalene traingle