a circle with an area of 50cm has an area of 50cm... why did you even ask this question
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To find the area of the circle pi*radius*squared and subtract the area of the figure inside
Area of a circle = pi*radius2
You add the area of the square with the area of the semi circle.
In order to find the diameter of a circle if you have the area is to rearrange the formula for the area of a circle to put diameter as the unknown, like so: PIE*d = Area of a Circle d = (Area of a Circle) / PIE Therefore if the area of your circle is 40cm, 40/PIE = 12.73cm and that's the diameter.
To find out how many 50cm by 50cm tiles can fit into a 1m square, we first need to convert the measurements to the same units. Since 1m is equal to 100cm, a 1m square is equivalent to a 100cm by 100cm square. To calculate how many 50cm by 50cm tiles can fit into this square, we divide the area of the 1m square by the area of each tile (100cm by 100cm ÷ 50cm by 50cm). This gives us 4 tiles that can fit into a 1m square.