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Question
question 13 (essay worth 12 points) (finding area using triangles and rectangles hc) a gardener is building a flower garden with a border of mulch around it. a model of the design is shown. part a: find the area of the mulch border that surrounds the 5.5 ft by 8 ft flower garden. show all work. (6 points) part b: if the mulch cost $3.64 per sq ft, how much will the mulch for this project cost? show all work. (6 points)
Explicación:
Paso 1: Encontrar área del jardín exterior
$A_{exterior}=16\times10.5 = 168$ pies²
Paso 2: Encontrar área del jardín interior
$A_{interior}=8\times5.5 = 44$ pies²
Paso 3: Encontrar área del borde
$A = A_{exterior}-A_{interior}=168 - 44=124$ pies²
Paso 4: Calcular costo del abono
Costo = $124\times3.64 = 451.36$ dólares
Respuesta:
Parte A: 124 pies²
Parte B: $451.36$ dólares
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Explicación:
Paso 1: Encontrar área del jardín exterior
$A_{exterior}=16\times10.5 = 168$ pies²
Paso 2: Encontrar área del jardín interior
$A_{interior}=8\times5.5 = 44$ pies²
Paso 3: Encontrar área del borde
$A = A_{exterior}-A_{interior}=168 - 44=124$ pies²
Paso 4: Calcular costo del abono
Costo = $124\times3.64 = 451.36$ dólares
Respuesta:
Parte A: 124 pies²
Parte B: $451.36$ dólares