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Any help? i dont seem to understand which radius of circle is.

Any help? i dont seem to understand which radius of circle is.-example-1
User Hwsw
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1 Answer

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First of all, radius is half the diameter. Radius is from the center-most point of a circle straight to the edge.

Answer:

The area of the whole object is 1,237.68 m^2 (meters squared).

Explanation:

The circles are equal to:

π * d = a

3.14 * 12 = a

37.68 = a.

Now, since the circles are half in the rectangle, it would be easier to calculate the rectangle using these halves, so the total of the half-circles outside the rectangle is equivalent to a whole circle, or 37.68. Now, let's calculate the rectangle:

20 * (30 * 2) = a

20 * 60 = a

1200 = a.

The whole area is equivalent to the area of the two half-circles and the area of the rectangle:

37.68 + 1200 = a

1237.68 = a

User Matt Styles
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