How much potential energy would a 4kg ball have if it is at the top of a 10m building?

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).

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.