Find the maximum number of acute angles that a convex quadrilateral, a pentagon and a hexagon can have. Observe the pattern and generalize the result for any polygon.

What is the maximum number of obtuse angles that a quadrilateral can have ?

What is the number of diagonals in a (i) quadrilateral (ii) pentagon (iii) hexagon (iv) polygon of 10 sides ?

Find the measure of each interior angle of a regular (i) pentagon (ii) hexagon (iii) octagon (iv) polygon of 12 sides

Find the maximum number fo electrons which can have m_9s)gt 0, but m_(l)lt o for n=4

There is a 25 sided polygon (not necessarily regular) inscribed in a circle. The maximum number of pentagons that can be made by using the vertices of the polygon is ? The maximum number of octagons that can be made by using the vertices of the polygon such that A_5, A_8& A_13 are never used while A_10 and A_20 are always used is ? The maximum number of triangles that can be made by using the vertices of the polygon such that there are atleast two but unequal number of vertices of the polygon between any two vertex of the triangle

Find the maximum number of electrons in ground state configuration of Zn which have l = any positive integral value and m = any non zero value.

Find the measure of each exterior angle of a regular (i) pentagon (ii) hexagon (iii) heptagon (iv) decagon (v) polygon of 15 sides.

Find the number of triangles which can be formed having vertices at angular points of a convex polygon of m sides.

The number of triangles that can be formed using the vertices of a 20 sided regular polygon such that the triangle and the polygon does not have any side common is