Depending on which author's workbook you are using, the content on page 14 generally includes: : Topic : Properties and signs of a parallelogram.
: Parallelogram properties or potentially early similarity concepts. strapnitsa 14 po geometrii po rabochei tetradi 8 klass
: The diagonals of a parallelogram intersect and are divided in half at the point of intersection. Depending on which author's workbook you are using,