Ejemplos

Área — Worked Examples

3 real worked examples for the Área calculator. See how we solve common scenarios with full step-by-step math.

1

Bedroom flooring

Escenario

A 12 ft × 14 ft bedroom.

Entradas

Length
14 ft
Width
12 ft

Pasos del cálculo

  1. A = length × width
  2. A = 14 × 12 = 168 ft²
  3. Add 10% for waste: 168 × 1.10 = 184.8 ft²

Resultado

Buy at least 185 ft² of flooring (includes 10% waste allowance for cuts and mistakes).

2

Circular patio

Escenario

A circular patio with a 10-foot radius.

Entradas

Radius
10 ft

Pasos del cálculo

  1. A = π × r²
  2. A = 3.14159 × 10²
  3. A = 3.14159 × 100
  4. A ≈ 314 ft²

Resultado

Patio area: 314 ft². Add 10% waste: 345 ft² of pavers needed.

3

Triangular garden plot

Escenario

A triangular garden with base 20 ft and height 12 ft.

Entradas

Base
20 ft
Height
12 ft

Pasos del cálculo

  1. A = ½ × base × height
  2. A = ½ × 20 × 12
  3. A = 120 ft²

Resultado

Garden area: 120 ft². Soil needed (6 inches deep): 120 × 0.5 = 60 cubic feet ≈ 2.2 cubic yards.

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