Question

answer
isosceles right isosceles acute
scalene obtuse equilateral
scalene acute scalene right
isosceles obtuse

Explanation:

Step1: Analyze the side lengths

All three sides \(LN = LM=MN = 6.61\).

Step2: Analyze the angles

All three angles \(\angle L=\angle M=\angle N = 60^{\circ}\).

Step3: Recall triangle definitions

A triangle with all sides equal and all angles equal (\(60^{\circ}\)) is an equilateral triangle.

Answer:

Equilateral