Question

Diameter of a circular garden is 9.8m. Find its area

Answer 1

diamerer=9.8m.
radius=diameter/2=9.8/2=4.4.
area=pai r 2
area=22/7*4.4*4.4
area=439.4m2.
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Answer 2

Given:

The diameter of a circular garden is 9.8m.

To Find:

Find its area.

Solution:

Diameter is defined as the longest distance possible from one point in the circle to the other point and which passes through the centre of the circle.

The area of a circle can be found by the following formula,

$A=\pi r^2$

Where r is the radius of the circle.

Now it is given that the diameter of the circular garden is 9.8m, then the radius will be half of the diameter that is,

[tex]r=\frac{9.8}{2} \\ =4.9m[/tex]

Now the area of the circular garden will be,

[tex]A=\pi *4.9*4.9\\ =\frac{22}{7}*4.9*4.9\\ =75.46m^2[/tex]

Hence, the area of the circular garden is 75.46 sq.m.