Transcription of Geometry Formulas Areas and Perimeters Figure …
1 Geometry Formulas Areas and Perimeters Figure Sketch area perimeter Square A = s2 P = 4s Rectangle A = lw P = 2l + 2w Parallelogram A = lh P = 2l + 2w Trapezoid A = )(2121bbh P = 2121bbss Triangle A =bh21 P =bss21 area and Circumference of a Circle Circle A =2r C =r2 or C =d l w l s h b1 b2 h s2 s1 s1 s2 h b r d w Volumes and Surface Areas of Three- Dimensional figures Figure Sketch Volume Surface area (S) Rectangular V = lwh S = 2lh + 2wh + 2wl Solid Cube V = s3 S = 6s2 Right Circular V = hr2 S = 222rrh Cylinder Sphere V = 334r S = 24r Right Circular V = hr231 S = 22hrr Cone Square or Rectangular V = lwh31 Pyramid Frustum of Right Circular V = 3)(22hRrRr S = )(rRs Cone w h l s s s h r r r h h l w r R s h
