Given that the measurement is in centimeters, find the area of the circle to the nearest tenth. (Use 3.14 for π)
A) 9.42 cm2
B) 18.8 cm2
C) 28.3 cm2
D) 37.7 cm2

Given that the measurement is in centimeters find the area of the circle to the nearest tenth Use 314 for π A 942 cm2 B 188 cm2 C 283 cm2 D 377 cm2 class=

Respuesta :

Answer:

18.84/ nearest tenth/18.8

Step-by-step explanation:

The area of the circle is calculated as 28.3cm^2

Data;

  • Diameter = 6cm
  • π = 3.14

Area of a Circle

The formula of area of a circle is given as

[tex]A = \pi r^2[/tex]

where r = radius of the circle

But radius is equal to the have the length of the diameter

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

Let's substitute the value of r into the formula of area and solve

[tex]A = \pi r^2\\A = 3.14 * 3^2\\A = 3.14 * 9\\A = 28.3cm^2[/tex]

The area of the circle is calculated as 28.3cm^2

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