A sphere with radius 13 is intersected by a plane that is 5 units from the sphere's center. What is the radius of the resulting circular cross section?

A rectangular plate measures 24 by 14. A semicircular notch of radius 6 is cut out of one long side, as shown. What...

A right circular cone has base radius 9 and height 15. It is sliced by a plane passing through the apex and...

Right triangles ABC and DEF each have a right angle at A and D respectively, with AB = DE = 12. It is also given...

A regular hexagonal deck has side length 8 ft and apothem 6.93 ft. Decking material costs $45 per square foot. What...