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A pyramid with volume 40 cubic inches has a rectangular base. If the length of the base is doubled, the width tripled and the height increased by 60%, what is the volume of the new pyramid, in cubic inches?

 May 29, 2021

Best Answer 

 #1
avatar+32614 
+2

Rectangular pyramid volume = 1/3  L W H

  Now change the L W H

                                        1/3 ( 2L)(3W)(1.6H) =( 9.6 )  *     1/3 L W H 

 

So the original volume is increased by factor of 9.6      9.6 * 40 = 384 in3   

 May 29, 2021
 #1
avatar+32614 
+2
Best Answer

Rectangular pyramid volume = 1/3  L W H

  Now change the L W H

                                        1/3 ( 2L)(3W)(1.6H) =( 9.6 )  *     1/3 L W H 

 

So the original volume is increased by factor of 9.6      9.6 * 40 = 384 in3   

ElectricPavlov May 29, 2021

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