Geometry in Word Problems
| Shape | Area | Perimeter |
|---|---|---|
| Rectangle | l × w | 2l + 2w |
| Square | s² | 4s |
| Triangle | ½ × b × h | sum of sides |
| Circle | πr² | 2πr |
| Trapezoid | ½(b₁+b₂)h | sum of sides |
Volume formulas: Rectangular prism = l×w×h · Cylinder = πr²h · Cone = ⅓πr²h · Sphere = (4/3)πr³
Common unit conversions: - 1 yard = 3 feet = 36 inches - 1 mile = 5,280 feet - 1 gallon = 4 quarts - 1 ton = 2,000 pounds - 1 hour = 60 min = 3,600 sec