CK12 - Geometry

(Marvins-Underground-K-12) #1

  1. Surfacearea = 75.4 m
    2

  2. Height= 5 meters

  3. Slantheight= 8 inches

  4. 1.2 cups(approximately)

  5. Surfacearea of the container= 152.62cm^2

  6. The volumeof the container= 212.58cm^3

  7. Height= 5.49 cm

  8. Volumeof the cone= 254.45cm^3


Spheres


LearningObjectives



  • Find the surfacearea of a sphere.

  • Find the volumeof a sphere.


Introduction


A sphereis a three-dimensionalfigurethat has the shapeof a ball.


Spherescan be characterizedin threeways.



  • A sphereis the set of all pointsthat lie a fixeddistance from a singlecenterpoint.

  • A sphereis the surfacethat resultswhena circleis rotatedaboutany of its diameters.

Free download pdf