Mark True or false
(i) A triangle has three sides, three vertices and three angles.
(ii) If all the angles of a triangle are less than a right angle, then such triangle is called a right angled triangle.
(iii) A triangle having three unequal sides is called an equilateral triangle.
(iv) A triangle having two equal sides is called an isosceles triangle.
(v) In a triangle, if one angle is obtuse angle and two angles are acute angles, then the triangle is called an obtuse angled triangle.