The area of a rectangle is 4g^2- h^2. use factoring to find the dimensions of the rectangle.

and

Step-by-step explanation:

The area of a rectangle is obtained by multiplying its lenght by its width.

You know that the area of this rectangle is , then you need to apply the Difference of squares to find the dimensions of this rectangle.

Remember that the Difference of squares is:

Then, applying this, you get:

Therefore, now you know that the dimensions are:

and

b. astronomers

what is the original number? you forgot to add it.