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Unit 7: Activity 16
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Date Learning Target
Page
#
11/30 Proofs w/ Parallelograms & Rectangles 82
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Learning Task:
I will develop strategies for proving
quadrilaterals are parallelograms or
rectangles.
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Quick Write, p. 92
If given a random quadrilateral,
how would you prove it is a
parallelogram?
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Ç
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For what value of
“x” would the figure
be a parallelogram?
For what value of
“x” & “y”would the
figure be a
parallelogram?
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For what value of
“x” & “y”would the
figure be a
parallelogram?
For what value of
“x” & “y”would the
figure be a
parallelogram?
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What is the best name for figure WXYZ with
vertices W(-3, 1), X(1, 5), Y(8, -2) and Z(4, -6)?
What is the best name for figure VWXY with
vertices V(3, 5), W(1, -2), X(-6, 2) and Y(-4, 7)?
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What is the best name for figure ABCD with
vertices A(0, -3), B(-4, 0), C(2, 8) and D(6, 5)?
Homework
p. 221, problems 1-10, 13
1a. Always
1b. Never
1c. Always
1d. Never
1e. Always
1f. Never
2a. Sometimes
2b. Always
2c. Never
2d. Always
2e. Always
3a. 16
3b. x = 10
4a. ∠NOE
4b. NJ
4c. ∠OJE
Homework
p. 221, problems 1-10, 13
5a. y = 2
5b. y = 2
5c. y = 8
5d. y = 18
6. A
7a. Trapezoid, one pair of parallel sides
7b. Parallelogram, both pairs of parallel
(or congruent) sides
8. D
Homework
p. 221, problems 1-10, 13
9. m∠1 = 32°; m∠2 = 90°
m∠3 = 58°; m∠4 = 32°
10a. 36
10b. 4.5
13. The legs are congruent and
connected at the midpoint. Therefore
the vertices form a rectangle and the
keyboard would be parallel to the floor.
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Date Learning Target
Page
#
11/30 Proofs w/ Parallelograms & Rectangles 92
12/1 Proofs w/ Rhombi & Square
94
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Learning Task:
I will develop strategies for proving
quadrilaterals are rhombi or squares.
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HOMEWORK
p. 235, problems 1, 4, 6-8
10, 12, 16-18