Well, we need to start identifying the shape of our figure first, then use a formula in getting the perimeter. Each shape has a different formula in determining the perimeter – and that’s what we will tackle in the next sections. Circle The perimeter of a circle is called as thecircumf...
The area of a rectangle is equal to the length times the width. A = l × w l = length w = width How to Find Area of a TrapezoidA trapezoid is a polygon with four straight sides, and one pair of sides are parallel. The parallel sides of the trapezoid are called its bases, ...
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A rectangle is a geometric shape that is a type of quadrilateral. This four-sided polygon has four angles, with each equaling 90 degrees. You may be required to find the area or width of a rectangle as an assignment in a math or geometry class. Knowing how to apply formulas that relate...
) was about grading, and coming to a compromise on our different grading systems. Often teachers will break down grades into categories, the weights of which can vary. But during that conversation I came up with what I thought of as the supra-categories, which I now use for all of my ...
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Find the (acute) angle theta between the planes x + \sqrt3 z = 3 and -3/4 x + \sqrt3 / 2 y - 3\sqrt3/ 4 z = 4. How do I calculate the size of an exterior angle in regular polygons with 45 sides? What is the sum of the interior angles of a 20-gon?