Answer:
Step-by-step explanation:
Acute : An acute triangle is one in which all the angles less than 90 degree.
Right: Any triangle whose one angle measure is 90 degrees is called Right angled triangle. Obtuse angle: Any triangle whose one angle measures more than 90 degrees is called Obtuse angled triangle.
Equilateral : Any triangle whose all the sides are equal are called equilateral triangle. They also have all the angle equal which measures 60 degrees.
Scalene triangle : The triangle whose length of all the sides are different from each other are called scalene triangle.
Isosceles : the triangle whose two sides length are equal are called Isosceles triangle.
