If an obtuse angle is input, the program will automatically convert it to an acute angle.
Parallelogram Properties
Lines AC and DB are called
Line 'h' is perpendicular to lines AB & DC and is
called the
• BOTH pairs of opposite sides are equal.
• BOTH pairs of opposite angles are equal.
• Adjacent angles are supplementary.
• Each diagonal forms 2 congruent triangles.
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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