contestada

4. The Barber's have a circular flowerbed in their front yard. The want to put fertilizer
on half of the flowerbed. The flowerbed has a circumference of 8.5 feet. One bag of
fertilizer will cover 6 square feet. How many bags of fertilizer will they need to cover
half of the flowerbed?

Respuesta :

Answer:

Wait what

Step-by-step explanation:

mhanifa

Answer:

  • 2 bags

Step-by-step explanation:

Circumference is:

  • C = πr

Then the radius:

  • r = C/π = 8.5/3.14 = 2.7 ft

The area:

  • A = πr² = 3.14*2.7²= 22.89 ft²

Half of the area:

  • 22.89/2 = 11.445 ft² ≈ 12 ft² rounded up

Fertilizer needed:

  • 12/6 = 2 bags

Otras preguntas