Which polygon has the same number of diagonals as the number of its sides?

If a polygon has 44 diagonals,find the number of its sides.

A polygon has 5 diagonals.Find the number of sides.

An army contingent of 1000 members is to march behind an army band of 56 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?

A polygon has 35 diagonals. Find the number of sides.

An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns.What is the maximum number of columns in which they can march?

A polygon has 119 diagonals.Find the number of sides.

Find the number of diagonals in a polygon having 10 sides.

Find the number of sides of a polygon if the number of its diagonals is 90.

Two polygons of the same number of sides are similar, if(a) their corresponding angles are ___

Two polygons of the same number of sides are similar, if(b) their corresponding sides are___(equal ,proportional)