A man claims that his lot is triangular, with one side 450 m long and the adjacent side 200 m long. The angle opposite one side is . Determine the other side length of this lot to the nearest metre.

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Find the dimensions of the circle. area = 64π in.² r= in.

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?