CK12 - Geometry

(Marvins-Underground-K-12) #1

  1. Supposeyou workfor a companythat makescylindricalwatertanks.A customerwantsa tank that
    measures9 metersin heightand 2 metersin diameter. Howmuchmetalshouldyou orderto makethis
    tank?

  2. If the radiusof a cylinderis doubledwhateffect doesthe doublinghaveon the volumeof this cylinder?
    Explainyour answer.


Answers



  1. Cylinder

  2. Rectangle

  3. Circle

  4. Height

  5. Surfacearea = 266πin
    2

  6. 250πcm
    2

  7. Volume= 45 in
    3

  8. Volumeof A < volumeof B

  9. 18πm^2

  10. The volumewill be quadrupled


Pyramids


LearningObjectives



  • Identifypyramids.

  • Find the surfacearea of a pyramidusinga net or a formula.

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