Geometry arose as a science for:
The area of the parallelogram is:
The bisector of the angle of a parallelogram cuts off from it:
For an isosceles trapezoid:
Select Parallelogram Properties
Which of the following quadrilaterals are parallelograms?
If the diagonals of a quadrilateral are perpendicular and are the bisectors of its angles, then such a quadrilateral can be:
Euclid's Elements is a work dedicated to:
Pythagoras:
The bisector of any angle of a trapezoid cuts off at its base (or continuation) a segment equal to:
If a trapezoid can be inscribed in a circle, then the:
The midline of the trapezoid is:
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