in question number 32, what does it mean by solve it in terms on n. I don't understand this question. please explain

31. Find the area of a regular pentagon of side B cm. 32. The diagram shows a part of the perimeter of a regular polygon with a sides A The centre of the polygon is at O and OA - OB = 1 unit. (a) What is the angle AOB in terms of m? (b) Work out an expression in terms of a for the area of the polygon. (c) Find the area of polygons where n = 6, 10, 300, 1000, 10000. What do you notice? 33. The area of a regular pentagon is 600 cm"