and Rectangle Calculator
This calculator displays a huge amount of data for a small amount of input. For example, just by inputting the diagonal of a square (choice #2) your output will show the area of the square, the perimeter, the length of 1 side, and so on. When inputting parallelogram data, side 1 and side 2 must be the non-parallel sides. (No matter what the input order, the program will determine which side is the shorter side. Also, if an obtuse angle is input, the program will automatically convert it to an acute angle).
Lines AC and DB are called diagonals.Line 'h' is perpendicular to lines AB & DC and is called the height or altitude.Parallelogram area = height × AB or DC ALL PARALLELOGRAMS have the following
properties:
2) BOTH pairs of opposite angles are equal. 3) The diagonals bisect each other.
4) Each diagonal forms 2 congruent triangles.
Three special parallelograms have the above 4 properties and some additional ones.
SQUARE RECTANGLE RHOMBUS The default setting is for 5 significant figures but you can change that by inputting another number in the box above. Answers are displayed in scientific notation and for easier readability, numbers between .001 and 1,000 will be displayed in standard format (with the same number of significant figures.) The answers should display properly but there are a few browsers that will show no output whatsoever. If so, enter a zero
in the box above. This eliminates all formatting but it is better than seeing no
output at all.
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