Geo_Book_Answers
Geo_Book_Answers
Geo_Book_Answers
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<strong>Answers</strong> to Exercises<br />
LESSON 1.9<br />
1. Sample answer: Furniture movers might<br />
visualize how to rotate a couch to get it up a<br />
narrow staircase.<br />
2. yes<br />
3. W ; O M E N Nadine is ahead.<br />
4. 28 posts<br />
5. 28 days<br />
6. 0 ft (The poles must be touching!)<br />
7.<br />
8.<br />
9.<br />
10.<br />
A B<br />
A<br />
3 cm<br />
A<br />
A<br />
Quadrilaterals<br />
Trapezoids<br />
11. no<br />
12. C(2, 3), A(0, 0), B(0, 5), D(2, 1)<br />
13. Y(4, 1), C(3, 1), N(0, 3)<br />
14. (x, y) → (x 3, y 2)<br />
15. AB CP , EF GH ; i k, j k<br />
16. perimeter 34 cm<br />
17. Left photo: Three points determine a plane.<br />
Middle photo: Two intersecting lines determine a<br />
plane. Right photo: A line and a point not on the<br />
line determine a plane.<br />
20 ANSWERS TO EXERCISES<br />
B<br />
B<br />
A<br />
Polygons<br />
3 cm<br />
3 cm<br />
Triangles<br />
B<br />
Obtuse Isosceles<br />
18. pyramid with hexagonal base<br />
19. prism with hexagonal base<br />
20. pyramid with square base<br />
21. x 15, y 27<br />
22. x 12, y 4<br />
23.<br />
24.<br />
25. point, line, plane<br />
26. AB 27. AB <br />
28. vertex 29. AB <br />
30. AB CD 31. protractor<br />
32. ABC<br />
34. congruent to<br />
33. AB CD <br />
35. The distance is two times the radius.<br />
P<br />
36. They bisect each other and are perpendicular.<br />
P<br />
r<br />
PQ = 2r<br />
A<br />
B<br />
r<br />
Q<br />
Q
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