click below
click below
Normal Size Small Size show me how
geometry ch. 12
geo
Question | Answer |
---|---|
L.A. surface area of prism | 3(L x W) |
T.A surface area of prism | L.A.+ 2( B x H) |
L.A. Surface area of pyramid | 4( 1/2 x B x Slant height) |
T.A. surface area of pyramid | L.A. + area of base |
regular pyramid | the base is a regular polygon, lateral faces are isos triangle |
L.A. cylinder | circle x H or 2∏r × H |
T.A. cylinder | L.A.+ 2∏r² |
L.A. cone | ½×❍×L |
T.A. cone | L.A. +∏r² |
T.A. sphere | 4∏r² |
volume of rectangular box | L × W × H |
volume of prism | area of base × H |
volume of cylinder | B × H or ∏r²×H |
volume of pyramid and cone | ⅓(B×H) |
base of equilateral ∆ | (s²∕4)×√3 |
area of cross section | ⊄∕B=(V₁/H) |
volume of sphere | ⁴⁄₃∏r³ |