3 years ago

Find the area of a circle

Mathematics

2 answers:

PtichkaEL [24]3 years ago

7 0

Answer:

28.26 square feet

Step-by-step explanation:

Area of a circle is: $A=\pi r^2$

'r' is the radius.

We are given the diameter of 6ft. Since the diameter is twice the radius, the radius is 3 ft.

6/2 = 3

Using 3.14 for pi:

$A=3.14*3^2\\\rightarrow 3^2=9\\A=3.14*9\\\boxed{A=28.26}$

The area of the circle should be 28.26 square feet.

Anna11 [10]3 years ago

5 0

Answer:

28.26 ft²

Step-by-step explanation:

If the diameter is 6 feet, then the radius is 3 feet since 2r=d

The area formula in this case is 3.14×r² since it says "Use 3.14 for π".

3.14×3²=

3.14×9=

28.26 ft²

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