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Q: Is the raduis of a circle the same of the height of a rectangle?

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Area of the circle = pi*22 = 12.56637061 square inches Height of the rectangle = 12.56637061/4 = the same value as pi or 3.142 rounded to 3 decimal places

Color of the circle(:Height of the rectangleP(h)area = faster than diameter = about the same speed asColor(height), or C(h)

Faces of cylinder are circular therefore area must be pi*radius*radius That is the formula for the top and bottom faces, the circles. However, the main face, the face connecting the two circles, is really a large rectangle bended to fit with the circles. The height of the rectangle is the same as the height of the cylinder. The width of the rectangle is the circumference of the circle (pi * 2 * radius). The formula for a rectangle is width * height. So, the side face is height of cylinder * circumference of circle (pi * 2 * radius.)

They are both plane figures.

same as a rectangle, except multiply by height. Area of Base X Height or L*W*H

Approx 6.6 cm.

Draw a rectangle for the side of the cylinder and on top and bottom of this rectangle 2 circles for the base and the top of the cylinder The rectangle width would be the diameter of the circle large and the same height that the cylinder

two right triangles = full rectangle That is - if you multiply height times base of a triangle, the area will be 1/2 of a rectangle having the same height, and a width the same as the triangle base.

Not only can it be, but it must be.

Well, it depends on the area of the shape you are trying to find, if its: square: length times width triangle: base times height divided by 2 circle: 3.14 times radius squared trapezoid: base 1 plus base 2 times height divided by 2 A U shaped figure is probably half of a circle and a rectangle. The diameter of the circle is the same as the width of the rectangle.

Area of circle = pi*212 = 1385.44236 square cm Area of rectangle = 1385.44236 square cm Lenght of rectangle = 1385.44236/18 = 76.96902 cm Perimeter of rectangle = 2(76.96902)+2(18) = 189.93804 cm

Same as rectangle: base x height. However, the height has to be perpendicular to the base.

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