Download Sections 6.7-6.8 - Leon County Schools

Bell work: Turn in when completed
1. Give the most precise name
for this shape
3. What value of x makes this
shape a square?
2. Find the value of x and y,
Assuming the shape is a square
Also get out your
notes on section 6.6:
Trapezoids and Kites
Review: Simplifying Radicals
 Find
the distance between (5, 3) and
(-7, 7). Write this distance in simplest
terms.
6-7: Polygons in
the Coordinate
Plane
What to use our familiar formulas
for



Distance Formula:

To determine if sides are congruent

To determine if diagonals are congruent

To classify shapes
Midpoint Formula

To determine the coordinates of a side’s midpoint

To determine if Diagonals bisect each other
Slope Formula

To determine if segments are parallel or perpendicular
Classify the triangles as isosceles,
scalene, or equilateral
2. If we have a
triangle with
vertices D(0, 0),
E(1, 4), and F(5, 2),
what type of
triangle is it?
Is parallelogram ABCD a rhombus?
Parallelogram
MNPQ has
vertices M(0, 1), N(-1, 4),
P(2, 5), and Q(3, 2). Is MNPQ a
rectangle? A square?
What is the quadrilateral formed by
connecting the midpoints of the
kite?
6.7 Homework
5, 6, 17: Determine if the
triangle is isosceles,
scalene, or equilateral.
Also determine if the
triangle is a right triangle
8, 11: What is the most precise
name we can give to the
rhombus formed by these
points?
6-8: Applying
Coordinate
Geometry
Find the coordinates of each
vertex
Find the coordinates of each
vertex
Find the coordinates of each
vertex
Find the coordinates of each
vertex
Find the coordinates of point D
Is this an isosceles trapezoid?
Explain your answer
A Coordinate Proof
 Prove
the Trapezoid Midsegment
theorem (The midsegment of a
trapezoid is parallel to the bases and
its length is half the sum of the bases)
A Coordinate Proof
 Prove
the Triangle Midsegment
theorem (The midsegment of a
triangle has a length equal to half the
length of the base)
Homework ( I lied)
 Section
6.7, pages 403-404: 5, 6, 8, 11, 17
 Honors:
 Section
6.8, page 410: 7, 8, 11, 13
 Honors:
 Test
Add 21, 23
Add 14, 16
on Wednesday!
 Tutoring today is only until 3:30, and in my
room
7, 8, 11: Find the coordinates of each vertex
13: Determine whether the
given parallelogram is a
rhombus. Explain.