The diagram below shows the radius of the circular opening of a trash can (20cm) Which of the following is closest to the circumference of the opening in centimeters?
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​A​63 cm
​B​126 cm
​C​40 cm
​D​251 cm

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft