3 years ago

Which shape , if rotated 90 degrees will coincide within itself

1 answer:

7 0

THE ANSWER IS A
SQUARE

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shtirl [24]

$A_1=\pi r^2\\\\R=2r\ then\ A_2=\pi R^2\to A_2=\pi(2r)^2=4\pi r^2\\\\A_2-A_1=4\pi r^2-\pi r^2=3\pi r^2=3A_1\\\\3=300\%\\\\Answer:(C).$

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3 years ago

Leni [432]

Less than 1 cup of chocolate chips

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3 years ago

dexar [7]

Im pretty sure your answer is true.

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3 years ago

Karolina [17]

Answer:

44 cm

Step-by-step explanation:

The area of a square is the square of the side length. This means the side length is the square root of the area.

s = √A = √(121 cm²) = 11 cm

The perimeter of a square is the sum of its side lengths. There are 4 equal-length sides, so the perimeter is 4 times the length of one side:

P = 4s = 4(11 cm)

P = 44 cm

The perimeter of the square is 44 cm.

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2 years ago

Ulleksa [173]

Answer:

c-c+a+|a|

5-5+4+|4|

Step-by-step explanation:

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3 years ago