At a farm, a silo is constructed with a cylindrical base topped by a hemisphere. The diameter of both the cylinder and hemisphere is 10 meters. The cylindrical part of the silo is 18 meters tall

In excavating for a new house, a contractor digs a hole in the shape of a right rectangular prism. The dimensions of the hole are 54 ft long by 36 ft wide by 9 ft deep. How many cubic yards of dirt were removed?

Does a rectangle have a an incenter? b a circumcenter?

The perimeter of an isosceles triangle is 32cm. If the length of the altitude drawn to the base is 8cm, how long is each leg of the isosceles triangle?_

In excavating for a new house, the Philpott Brothers dig a hole in the shape of a right rectangular prism. The dimensions of the hole are 54 ft long by 36 ft wide by 9 ft deep. How many cubic yards of dirt were removed?

In trapezoid ABCD, AB=7 ft and DC=13 ft. If the area of trapezoid ABCD is 60 ft2, find the length of altitude AE. _