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Carter needs to remove sod in his yard to build three flower beds. One bed will be a rectangle which measures 2.5 m by 6 m. Another bed will be a semicircle which has a diameter of 6 m. The other bed will be a quarter circle with a radius of 4 m.

Sagot :

Answer:

[tex]Area = 41.714[/tex][tex]m^2[/tex]

Step-by-step explanation:

Given

Rectangle:

[tex]Length = 2.5m[/tex]

[tex]Width = 6m[/tex]

Semicircle

[tex]Diameter = 6m[/tex]

Quarter circle

[tex]Radius = 4m[/tex]

Required

The square meters of sod will Carter remove [Missing information]

To do this, we simply calculate the area of each flower beds.

For the rectangle:

[tex]A_1= Length * Width[/tex]

[tex]A_1= 2.5m * 6m[/tex]

[tex]A_1= 15m^2[/tex]

For the semicircle

[tex]A_2 = \frac{1}{2}\pi r^2[/tex]

Where

[tex]r=\frac{6}{2} = 3[/tex]

So:

[tex]A_2 = \frac{1}{2} *\frac{22}{7} * 3^2[/tex]

[tex]A_2 = \frac{1}{2} *\frac{22}{7} * 9[/tex]

[tex]A_2 = \frac{1*22*9}{2*7}[/tex]

[tex]A_2 = \frac{198}{14}[/tex]

[tex]A_2 = 14.143[/tex]

For the quarter circle

[tex]A_3 = \frac{1}{4}\pi r^2[/tex]

[tex]A_3 = \frac{1}{4} * \frac{22}{7} * 4^2[/tex]

[tex]A_3 = \frac{22}{7} * 4[/tex]

[tex]A_3 = \frac{88}{7}[/tex]

[tex]A_3 = 12.571[/tex]

Total area is:

[tex]Area = A_1 + A_2 + A_3[/tex]

[tex]Area = 15 + 14.143 + 12.571[/tex]

[tex]Area = 41.714[/tex][tex]m^2[/tex]

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