CK12 - Geometry

(Marvins-Underground-K-12) #1

A right pyramidhas a regularhexagonfor a base.Eachedgemeasures2√22.Find



  1. The lateralsurfacearea of the pyramid

  2. The total surfacearea of the pyramid

  3. The volumeof the pyramid

  4. The TransamericaBuildingin San Franciscois a pyramid.The lengthof eachedgeof the squarebase
    is 149 feet and the slantheightof the pyramidis 800 feet. Whatis the lateralarea of the pyramid?How tall
    is the building?

  5. Giventhe followingpyramid:


With c=22mm, b=17mm and volume=1433.67mm^3 whatis the valueof a?


Answers



  1. Rectangularpyramid

  2. Lateralface

  3. Edge

  4. Apex

  5. 16

  6. 135.6squareunits

  7. 200.55squareunits

  8. 171.84cubicunits

  9. Lateralsurfacearea = 238,400squarefeet


Height= 796.5feet



  1. A = 11.5 mm

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