chapter 6 lessons 1-3
DESCRIPTION
Chapter 6 Lessons 1-3. Classifying. Angles. Sides. Parallelogram?. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. Row 1, Col 1. Judging by appearances, which figure is a trapezoid?. a. b. d. c. 1,2. - PowerPoint PPT PresentationTRANSCRIPT
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Classifying Angles Sides Parallelogram?
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1,4
Which statement can you use to conclude that quadrilateral XYZW is a parallelogram?
XW YZ and XY WZ
XW WZ and XY WZ
YN NX and XN NY
XW YZ and XY YZ
c.
a.
b.
d.
2,3
LMNO is a parallelogram. If NM = x + 15 and OL = 3x + 5 find the value of x and then find NM and OL.
x=5
NM=20
OL=20
2,4
Find values of x and y for which ABCD must be a parallelogram. The diagram is not to
scale.
x=10
y=7
3,1
Judging by appearance, classify the figure in as many ways as possible using rectangle, trapezoid, square,
quadrilateral, parallelogram, rhombus.
quadrilateral, parallelogram,
rhombus.
3,3
In parallelogram DEFG, DH = x + 3, HF = 3y, GH = 4x – 5, and HE = 2y + 3. Find the values of x and y. The diagram is not to scale.
x=3
y=2
3,4
Based on the information in the diagram, can you prove that the figure is a parallelogram? Explain.
yes, opp. angles congruent.
4,3
Find the values of the variables and the lengths of the sides of this rectangle. The diagram is not to scale.
x=7
y=4
20,35
4,4
Based on the information given, can you determine that the quadrilateral must be a parallelogram? Explain.
yes, opp. sides congruent
5,1
What is the most precise name for quadrilateral ABCD with vertices A(-5, 2), B(-3, 6), C(6, 6), and D(4, 2)?
A
B C
D
Slope
AB = 4/2 = 2/1
CD = 4/2 = 2/1
AD = 0/9 = 0
BC = 0/9 = 0
Distance
AB = √20
CD = √20
AD = 9
BC = 9
Parallelogram
5,2
Find the values of the variables in the parallelogram. The diagram is not to scale.
x=29°
y=49°
z=102°
5,3
Isosceles trapezoid ABCD has legs AB and CD and base BC. If AB = 4y – 3, BC = 3y – 4, and CD = 5y – 10, find the value of y.
y=7