Question

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

Explanation:

Step1: Analyze the sides

Since two sides ($ON = 3.96$ and $OM = 3.96$) are equal, the triangle is isosceles.

Step2: Analyze the angles

One angle ($\angle O=102^{\circ}$) is greater than $90^{\circ}$, so the triangle is obtuse.

Answer:

Isosceles Obtuse