The side of a regular decagon is 9 inches. Find the perimeter.

What is the altitude of an equilateral triangle with a side of 16 inches?

Find the area of the square with side length 1.4 m.

Find the length of the altitude to the hypotenuse of a right triangle whose sides have lengths 7, 24, and 25.

please help

Laurel has an area in her yard that is in the shape of a parallelogram. It has a base of 30 feet and a height of 22 feet. She wants to cover this area with wildflower seeds. She finds out that 1 ounce of seeds covers 125 square feet of ground. How many ounces of seeds does she need to cover this area?         7 ounces         5 ounces         4 ounces         6 ounces

My rectangular cabbage patch has a total area of 115 sq. ft. Find its perimeter in terms of the width x.

Find the perimeter and area of the rectangle that is 2 m×0.7 m.       The perimeter is

Jason is laying out a square garden on his property. The space measures 46 feet diagonally. How long is each side of the garden? O 16/2 feet O 23/2 feet O 33/2 feet O 46/2 feet

How does the area of each rectangle relate to the length and the width? Why?