karina8305
karina8305 karina8305
  • 04-04-2019
  • Mathematics
contestada

Find the area and the perimeter, i just need the Perimeter thanks

Find the area and the perimeter i just need the Perimeter thanks class=

Respuesta :

gmany
gmany gmany
  • 04-04-2019

Answer:

[tex]\large\boxed{P=(3\pi+4)\ ft}[/tex]

Step-by-step explanation:

We have 3/4 of a circle and the square.

The perimeter is equal to the sum of a 3/4 of a circumference of a circle and two sides of a square.

The formula of a circumference of a circle:

[tex]C=2\pi r[/tex]

r - radius

We have r = 2 ft. Substitute:

[tex]C=2\pi(2)=4\pi\ ft[/tex]

3/4 of a circumference:

[tex]\dfrac{3}{4}\cdot4\pi=3\pi\ ft[/tex]

The length of a side of a square is a = 2ft.

Calculate the perimeter:

[tex]P=3\pi+(2)(2)=(3\pi+4)\ ft[/tex]

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