6.6 - trapezoids and kites.notebook › cms › lib4 › oh01001067 › centricit… · theorem...
TRANSCRIPT
6.6 Trapezoids and Kites.notebook
1
January 29, 2016
6.6: Trapezoids & Kites Date: 1/29
Theorem 6 19: “If a quadrilateral is an isosceles trapezoid, then each pair of base angles is congruent.”
TRAPEZOIDS
6.6 Trapezoids and Kites.notebook
2
January 29, 2016
Ex 1). RSTU is an isosceles trapezoid and What are
6.6 Trapezoids and Kites.notebook
3
January 29, 2016
Ex 2). LMNO is an isosceles trapezoid and What are
6.6 Trapezoids and Kites.notebook
4
January 29, 2016
Theorem 620: “If a quadrilateral is an isosceles trapezoid, then its diagonals are congruent.”
Ex 3). WXYZ is an isosceles trapezoid, and WY = 12, what is XZ?
6.6 Trapezoids and Kites.notebook
5
January 29, 2016
Ex 4). AC = x + 5 and DB = 2x – 2. Find the value of x and each diagonal.
6.6 Trapezoids and Kites.notebook
6
January 29, 2016
Theorem 621: “If a quadrilateral is a trapezoid then,
1. The midsegment is parallel to the bases
2. The length of the midsegment is the average of thelengths of the bases.
Ex 5). TU is the midsegment of trapezoid WXYZ. What is x?
6.6 Trapezoids and Kites.notebook
7
January 29, 2016
Ex 6). Find GH.
6.6 Trapezoids and Kites.notebook
8
January 29, 2016
Ex 7). Find the lengths of the segments with variable expressions.
6.6 Trapezoids and Kites.notebook
9
January 29, 2016
KITES
Theorem 622: “If a quadrilateral is a kite, then its diagonals are perpendicular.
6.6 Trapezoids and Kites.notebook
10
January 29, 2016
Ex 8). ABCD is a kite. What are m<1 and m<2?
6.6 Trapezoids and Kites.notebook
11
January 29, 2016
The following are kites , find the missing angles:
Ex 9).
Ex 10).
6.6 Trapezoids and Kites.notebook
12
January 29, 2016
Find the value of the variable in each kite .
Ex 11).
Ex 12).
6.6 Trapezoids and Kites.notebook
13
January 29, 2016
Ex 13). Determine whether each statement is true or false. Explain.
a) All kites are quadrilaterals
b) A kite is a parallelogram
c) A kite can have congruent diagonals
d) Both diagonals of a kite bisect angles at the vertices.
6.6 Trapezoids and Kites.notebook
14
January 29, 2016
Homework: 6.6 Practice Worksheet
MathXL: Chapter 6 Practice is Open! Due Friday 2/5