# A square ceiling has an area of 360 square feet. Alex wants to put molding around the entire perimeter of the ceiling. About much molding does he need?

##### 3 Answers

He will need approximately 76 ft of crown molding.

#### Explanation:

Since the ceiling is square, which by definition has four equal sides, the square area is determined by squareing two sides, which gives us

To determine the length of each side, take the square root of

To determine the approximate amount of crown molding needed, multiply 19 ft by four.

#### Explanation:

As the ceiling is square in shape and its area is

Now molding has to be along entire perimeter i.e. along its four sides, hence molding needed is

or say

#### Explanation:

As the ceiling is square in shape and its area is

Now molding has to be along entire perimeter i.e. along its four sides, hence molding needed is

or say