Geo_Book_Answers
Geo_Book_Answers
Geo_Book_Answers
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<strong>Answers</strong> to Exercises<br />
LESSON 1.6<br />
1. first figure: quadrilateral ABCD with two<br />
congruent sides and one right angle; second<br />
figure kite EFGH; third figure: trapezoid IJKL<br />
with two right angles; fourth figure parallelogram<br />
MNPQ<br />
2. B 3. D<br />
4. F<br />
6. A, D, F<br />
5. C<br />
7. D I<br />
8.<br />
9.<br />
10.<br />
11.<br />
Z O<br />
E<br />
T<br />
R<br />
B<br />
N<br />
L<br />
A<br />
E U<br />
Q<br />
12. square<br />
13. possible answers: (2, 6), (2, 4); (6, 2),<br />
(2, 4); (3, 1), (1, 3)<br />
14. 90 cm<br />
15. (5, 6)<br />
16. S(9, 0), I(4, 2)<br />
17. S(3, 0), I(1, 5)<br />
18. A(7, 6), N(5, 9) or A(5, 2), N(7, 1)<br />
19a. Possible answer: Flip one triangle and align it<br />
so that a congruent pair of sides forms a diagonal<br />
of a kite.<br />
16 ANSWERS TO EXERCISES<br />
I<br />
F<br />
H<br />
G<br />
19b. Possible answer: Rotate one triangle so that<br />
a congruent pair of sides forms a diagonal of a<br />
parallelogram.<br />
20. There are three possibilities: a rhombus, a<br />
concave kite, or a parallelogram.<br />
21a. right triangles<br />
21b. isosceles right triangles<br />
22.<br />
23.<br />
24.<br />
25. no<br />
y<br />
5 cm<br />
72 72<br />
72 72<br />
72<br />
C (0, 5)<br />
B (4, 4)<br />
x<br />
A (5, 0)<br />
5 cm
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