| A | B |
|---|
| rules for significant digits #1 | all nonzero digits are significant |
| rules for...... # 2 | zeros between nonzero digits are significant |
| rules ........ #3 | zeros to the right of a decimal point that are also to the right of a nonzero digit are significant |
| rules ..............#4 | zeros to the right of a decimal point that are also to the left of a nonzero digit are not significant |
| line | extends infinitely in both directions |
| line segment | is part of a straight line that includes its endpoints |
| ray | has one endpoint and extends infinitely in only on direction |
| complementary angles | two angles whose measures add up to 90* |
| supplmentary angles | two angles whose measures add up to 180* |
| interior angles | angles on the inside of the box |
| exterior angles | angles on the outside of the box |
| perimeter of a polygon after dilation | scale factor times base, scale factor times height, (new base)2 + (new height)2 = new perimeter |
| area of a polygon after dilation | new base X new height = new area |
| area of a circle | (pi)(r)(squared) |
| circumfrence of a circle | (pi)(d) |
| SA of a rectangular prism | do bh to find area of all different faes, add all the #'s and multiply by 2 |
| SA of a triangular prism | find area of all faces, multiply by 2 if there are two congruent faces and add together |
| SA of a cylinder | SA= 2(pi, r, squared)+ pi,d,h |
| SA of a square-based pyramid | find volume of base, then find area of triangualr faces (bX slant height/2) then multiply arad by # of faces, and add base's area |
| SA of a triangular-based pyramid | find the area of the base (base /2 times slant height/2) then find traingualr faces area, ,multiply by face # and add base |
| SA of a cone | (1/2 C s) + pi r squared |
| V of a rectangular prism | l*w*h |
| V of a rectangular prism after dilation | find area of rectangular prism, then square scale factor and multiply by area |
| V of a pyramid | V= 1/3 B*h |
| V of a prism | find area of traingular base, then do V= B*h |
| V of a cylinder | B= pi r squared, V = B*h |
| V of a cone | B= pi r squared, V= 1/3 B*h |
