You want to cover a circular window with tinted paper. The window has a radius of
6 inches. How many square inches of tinted paper will you need to use to cover the
circular window?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Which geometric principle is used to justify the construction below?

What is the radius of the cone in the diagram? round your answer to the nearest whole number