IDENTIFYING AND DESCRIING TRIANGLES ACCORDING TO SIDES AND ANGLES | MATH4 Q3 WEEK3 LESSON1

A triangle is a polygon with 3 sides, 3 vertices and 3 angles.
Triangles can be classified according to the measurement of its angle.
A right triangle has a right angle which measures 90°.
An acute triangle has 3 acute angles, each measuring less than 90°.
An obtuse triangle has an obtuse angle which measures more than 90°.
Triangles can be classified according to the measurement of its side.
An equilateral triangle has 3 equal sides.
An isosceles triangle has 2 equal sides.
A scalene triangle has no equal sides.