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shanshancupcake

Answer:

[tex]area = 2.54 {ft}^{2} [/tex]

Step-by-step explanation:

The formula to find the area of a circle is

[tex]area \: of \: circle \: = \pi {r}^{2} [/tex]

Let pi be (3.14), the radios as given in the question is (0.9). Therefore;

[tex]\pi {r}^{2} = \\ (3.14) \: {(0.9)}^{2} \\ 3.14 \times 0.81 = \\ 2.5434 \: or \: 2.54 {ft}^{2} [/tex]

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[tex]\large\blue\textsf{\textbf{\underline{\underline{Question:-}}}}[/tex]

                  A circle's radius is 0.9 ft. What is its area?

[tex]\large\blue\textsf{\textbf{\underline{\underline{Answer and How to solve:-}}}}[/tex]

Formula for Area of a Circle:-

      [tex]\longrightarrow[/tex] A=πr²

Where

  • A = area
  • π = pi, 3.14
  • r = radius, 0.9 ft; plus it's squared, or multiplied by itself

Substitute the values:-

[tex]\longrightarrow[/tex] A=π(0.9)²

On simplification,

A=0.81π

On further simplification,

A=2.54 ft²

Good luck.

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