My Math Forum A few questions for ya

 Algebra Pre-Algebra and Basic Algebra Math Forum

 June 11th, 2009, 11:03 PM #1 Member   Joined: May 2009 Posts: 38 Thanks: 0 A few questions for ya just tell me if im right in presuming the following... Thanks! 1: the lateral area of a prism is the sum of the areas of its bases 2: all lateral faces of regular pyramids are congruent rectangles 3. if volume of a cube is 1000, the length of each of its edges is 10 4: the height of a right cylinder with radius 5 and volume 100 is 2 over pi 5: the area of a sphere equals 4pi times the cube of the radius 6:two right circular cones with radii 4 and 8 and heights 10 and 20 respectivly are similar
 June 11th, 2009, 11:39 PM #2 Global Moderator   Joined: Dec 2006 Posts: 19,291 Thanks: 1683 1. This is incorrect, since the lateral faces (whose area you want) are not called bases. 2. The lateral faces are triangles, not rectangles. 3. Correct. 4. Incorrect. 5. Incorrect. 6. Correct.
 June 12th, 2009, 09:33 AM #3 Member   Joined: May 2009 Posts: 38 Thanks: 0 Re: A few questions for ya Thank you so much skip...

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