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Tough to do this without a picture but here goes... Assuming the 4 semi-circles come right out of the corners of the square, they would be equal to two circles with diameters of 15cm apiece and radii of 7.5
The area of the square is 15 x 15 = 225 sq. cm
The area of the circles is 2 (pi x 56.25)
225 + 353.43 = 578.43 sq. cm
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Earn +20 ptsQ: What is the area of a square with all sides of 15cm an 4 attached semicircles?
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Continue Learning about Math & Arithmetic
What are the sides of a square with an area of 15cm 2?
sqrt(15) = 3.873 cm (approx)
What is the length of the hypotenuse of a right triangle where the two sides are 15cm and 15cm long?
Using Pythagoras' theorem: 15 times the square root of 2 cm in length
What is the perimeter of a square with 15cm?
it is 60cm
What is the perimeter of a square when the length of a side is 15Cm?
The perimeter of a square is any side times 4 since all 4 sides are equal. In this case it is 15 *4 cm or 60 cm.
What is the side length of the square if the area is 225 sq cm?
15cm
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