Bell Ringer 10/18/2011

Which set of ordered pairs could be ordered pairs of a linear function?a.{(0,0),(1,1),(2,8),(3,27)} b.{(0,0),(1,1),(2,4),(3,9)} c.{(0,0),(1,1),(2,2),(3,3)} d.{(0,0),(1,1),(2,-1),(3, -4)}According to a pedometer, it was 3600 steps around a square walking path. What would be the area of the land bordered by the walking path in square yards if the average step is about 2.25 feet?a. 405,000 yd b. 450,000 yd c. 455,625 yd d. 562,500 ydBell Ringer 10/18/20118.2 ParallelogramsHow can we recognize and apply properties of the sides, angles, and diagonals of parallelograms?ParallelogramA parallelogram is a quadrilateral with both pairs of opposite sides parallelABCDSymbols: ABCD; AB||DC and AD||BCProperties of ParallelogramsOpposite sides of a parallelogram are congruentAB = DCAD = BCOpposite angles in a parallelogram are congruentmA = mCmB = mDConsecutive angles in a parallelogram are supplementarymA+mB=180mB+mC=180mC+mD=180mD+mA=180If a parallelogram has one right angle, it has four right angles.mG=90mH=90mJ=90mK=90ABCDGHKJMore Properties of ParallelogramsThe diagonals of a parallelogram bisect each otherRQ=QT and SQ=QU

Each diagonal of a parallelogram separates the parallelogram into two congruent triangles.RUTTSRSRUUTSRSTUQAlsoIf one pair of opposite sides of a quadrilateral is both parallel and congruent, then the quadrilateral is a parallelogram.8.2 & 8.3 Practice Problems:8.2 #s 17, 23, 378.3 #s 13, 19, 25HW 8.2 & 8.38.2 #s 17-39odd8.3 #s 13-33odd