What is the answer to this

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

What is ha theorem a special case of?

Acommunity group is building a garden on a rectangular lot of land. the lot measures 5x by 10x and the garden will be circular with a radius of 3x. how much of the land will be left over after the garden is built? a. 41 pi x^2 b. x^2 (50 - 9 pi) c. x^2 (50 - 3 pi) d. 41x^2