Practice 6-3 Proving That a Quadrilateral Is a Parallelogram State whether the information given about quadrilateral SMTP is sufﬁcient to determine that it is a parallelogram. 1. SPT SMT 2. SPX TMX, TPX SMX 3., 4., 5., 6., 6 Algebra Find the values of x and y for which the ﬁgure must be a parallelogram. 7. 8. 9. Algebra Find the value of x. Then tell whether the ﬁgure must be a parallelogram.

Jun 18, 2016 · Parallelogram 6.2 Properties of Parallelograms ... Guided Practice 6.2 Properties of Parallelograms 313 6.2 Exercises . Algebra Skills 3x 2x 1 5 15 13 x 1 6. Filesize: 434 KB; Language: English; Published: July 4, 2016; Viewed: 1,572 times

Name each quadrilateral (parallelogram, rectangle, rhombus, and square) for which the statement is true. 7. The diagonals are congruent. Sea 9. The diagonals are perpendicular. (hornblÅS 8. It contains no acute angles. 10. It is equiangular and equilateral. Name each quadrilateral (parallelogram, rectangle, rhombus,

G.3.3: Find and use measures of sides, perimeters, and areas of quadrilaterals, and relate these measures to each other using formulas. G.3.4: Use coordinate geometry to prove properties of quadrilaterals such as regularity, congruence, and similarity.