A picture frame is in the shape of a square with a circle removed from the centre. If the radius of the circle is 10 cm and the area of the picture frame is 311 cm2, what is the length of the picture frame?

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Q: Find the area of an equilateral triangle if each of its sides has length 12 cm.

A: Given: An equilateral triangle has a side length of 12 cm. The area of an equilateral triangle of…

Q: What's the radius of a circle with an area of 14 in squared?

A:

Q: Please help

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Q: The area of a circle is 380 square meters. Find the radius.

A:

Q: If all sides of a triangle is 8 meters, what’s the area?

A: →When all sides of a triangle is equal then it is called equilateral triangle.→Area of equilateral…

Q: One day I was walking there and measured its dimensions. It is shaped like a rectangle with a…

A: Given, length of the rectangle = l = 105 m Width of the rectange = w = 68 m Then radius of the semi…

Q: Find the area of an equilateral triangle where one side is s.

A: