Chapter 11 Area Formulas
About this set
Created by:
nataliefittsy on May 3, 2012
Subjects:
accelerated geometry, areas, polygons, formulas, blessen
Classes:
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14 terms
English | Math / Symbols |
|---|---|
 area of square | s² |
| area of rectangle | lw |
| area of parallelogram | bh |
| area of triangle | 1/2bh |
| area of rhombus | 1/2d₁d₂ |
| area of trapezoid | 1/2h(b₁+b₂) |
| area of regular polygon | 1/2ap |
| circumference of circle | πd |
| area of circle | πr² |
| length of arc | x/360 × 2πr |
| area of sector | x/360 × πr² |
| if 2 triangles have equal heights, then the ratio of their areas equals ( ) | the ratio of their bases |
| if 2 triangles have equal bases, then the ratio of their areas equals ( ) | the ratio of their heights |
| if 2 triangles are similar, then the ratio of their areas equals ( ) | the square of their scale factor |
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