Asold consiss of a hemisphere anda cone which share a common base. the cone has a base radius of 21cm and height of 28 cm and a salnt height of 35cm
find
total volume and surface area

Will give brainliest what is the value of x? enter your answer in the box.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section