Geometry Answers

24. A prismatoid has an upper base of 90%, a lower base of 2100%, an altitude of 100 cm, and a midsection of 120? What is its volume?

The surface area of a sphere inscribed in a regular tetrahedron is 144 cm2


21. What is the radius of the sphere?

22. What is the altitude of the tetrahedron?.

23. If a sphere is inscribed in a cube of side What is the volume of the sphere?

The base of a right prism is an equilateral triangle whose edges is 10cm each and its lateral edge is 80cm.


19. Find its volume in cm3.

20. Determine the total area of the prism in cm2

__17. A rectangular solid whose dimensions are 4cm, 8cm, and 12cm is inscribed in a sphere. What is the diagonal of the rectangular solid?


_18. In question 17, what is the surface area of the sphere in ¹?

16. Identify a polyhedron with two congruent bases that lie in parallel planes, and whose every section that is parallel to a base has the same area as that of the base.

15. What is the solid generated by rotating a right triangle about one of its legs as an axis?

_14. What is the surface generated by moving a straight line which always intersects a fixed plane curve and which always passes through a fixed point not in the plane of the curve?

13. It is the product of the circumference of the base and its altitude

_11. What is the prism whose lateral surface area is the sum of the areas of individual triangle?

10. The lateral area of a right circular cylinder is to be determined, which equation fits the requirement?