Math Formulas PDF

Math formulas 1. LB + LB = LB 2. UB + UB = UB 3. LB – UB = LB 4. UB – LB = UB 5. UB x UB = UB 6. LB x LB = LB 7. UB/LB = UB 8. LB/UB = LB 9. Area of rectangle = L x B 10. Circumference of circle = 2𝜋𝑟 11. Area of circle = 𝜋𝑟 2 12. ρ = M/V 13. v = s/t 14. popula on density =...

Math formulas 1. LB + LB = LB 2. UB + UB = UB 3. LB – UB = LB 4. UB – LB = UB 5. UB x UB = UB 6. LB x LB = LB 7. UB/LB = UB 8. LB/UB = LB 9. Area of rectangle = L x B 10. Circumference of circle = 2𝜋𝑟 11. Area of circle = 𝜋𝑟 2 12. ρ = M/V 13. v = s/t 14. popula on density = popula on/area 15. am x an = am+n 16. am ÷ an = am-n 17. (am)n = amn 18. a0 = 1 19. a-m = 1/am 20. Area of triangle = 𝑏ℎ 21. Net pay = gross pay – deduc on 22. Profit = SP – CP 23. Loss = CP – SP 24. P% = × 100 25. L%= ×100 26. CP = × 𝑆𝑃 % 27. CP = × 𝑆𝑃 % 28. A = P (1+ )t 29. CI = P (1+ )t – P Page 1 of 3  Math formulas 30. SI = 31. (a+b)2 = a2+2ab+b2 32. (a-b)2 = a2-2ab+b2 33. a2-b2 = (a+b) (a-b) 34. Volume of rectangle = 𝑙 × 𝑏 × ℎ 35. Volume of square = s3 36. Volume of cylinder = 37. Volume of sphere = ±√ 38. 39. Tn = an2+bn+c 40. Tn = an3+bn2+cn+d 41. Tn = 42. 𝑦 ∝ 𝑥 𝑦 = 𝑘𝑥 43. 𝑦∝ 𝑦= 44. Gradient = 45. Gradient = 46. = 𝑎𝑛𝑥 47. Midpoint = ,( ) 48. 𝑆 = 4𝜋𝑟 49. d = (𝑥1 − 𝑥2) + (𝑦1 − 𝑦2) 50. sum of interior angle = 180(𝑛 − 2) 51. 𝑒𝑎𝑐ℎ 𝑒𝑥𝑡𝑒𝑟𝑖𝑜𝑟 𝑎𝑛𝑔𝑙𝑒 = 52. 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟 𝑜𝑓 𝑟𝑒𝑐𝑡𝑎𝑛𝑔𝑙𝑒 = 2(𝑙 + 𝑊) 53. 𝑎𝑟𝑒𝑎 𝑜𝑓 𝑝𝑎𝑟𝑎𝑙𝑙𝑒𝑙𝑜𝑔𝑟𝑎𝑚 = 𝑏 × ℎ Page 2 of 3  Math formulas 54. 𝑎𝑟𝑒𝑎 𝑜𝑓 𝑡𝑟𝑎𝑝𝑒𝑧𝑖𝑢𝑚 = ℎ(𝑎 + 𝑏) 55. 𝑠𝑢𝑟𝑓𝑎𝑐𝑒 𝑎𝑟𝑒𝑎 𝑜𝑓 𝑐𝑢𝑏𝑜𝑖𝑑 = 2(𝑤𝑙 + 𝑙ℎ + ℎ𝑤) 56. 𝑠𝑢𝑟𝑓𝑎𝑐𝑒 𝑎𝑟𝑒𝑎 𝑜𝑓 𝑐𝑦𝑙𝑖𝑛𝑑𝑒𝑟 = 2𝜋𝑟(𝑟 + ℎ) 57. 𝑣𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑝𝑟𝑖𝑠𝑚 = 𝑎𝑟𝑒𝑎 × 𝑙𝑒𝑛𝑔ℎ𝑡 58. 𝑎𝑟𝑐 𝑙𝑒𝑛𝑔ℎ𝑡 = × 2𝜋𝑟 59. 𝑎𝑟𝑒𝑎 𝑠𝑒𝑐𝑡𝑜𝑟 = × 𝜋𝑟 60. 𝑣𝑜𝑙𝑢𝑚𝑒 𝑜𝑓 𝑝𝑦𝑟𝑎𝑚𝑖𝑑 = × 𝑏𝑎𝑠𝑒 𝑎𝑟𝑒𝑎 × ℎ𝑒𝑖𝑔ℎ𝑡 61. tan 𝜃 = 62. sin 𝜃 = 63. cos 𝜃 = 64. 𝑎 +𝑏 =𝑐 65. 𝑠𝑖𝑛𝑒 𝑟𝑢𝑙𝑒 = = = 66. 𝑎 = 𝑏 + 𝑐 − 2𝑏𝑐 cos 𝐴 67. 𝑎𝑟𝑒𝑎 𝑜𝑓 𝑡𝑟𝑖𝑎𝑛𝑔𝑙𝑒 = 𝑎𝑏 sin 𝑐 68. 𝑚𝑒𝑎𝑛 = 69. 𝑖𝑛𝑡𝑒𝑟𝑞𝑢𝑎𝑟𝑡𝑖𝑙𝑒 = 𝑄 − 𝑄 70. 𝑑𝑖𝑎𝑔𝑜𝑛𝑎𝑙 = √𝑙 + 𝑤 + ℎ 71. 𝑄 = 𝑙 +𝑟 − 𝑤𝑖𝑑𝑡ℎ 𝑜𝑓 𝑟𝑎𝑛𝑔𝑒 72. 𝑡𝑒𝑟𝑚 = × 𝑣𝑎𝑙𝑢𝑒𝑠 Page 3 of 3