Векторная алгебра. Машанов В.И - 27 стр.

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8
)3,2,5(),5,2,1(
31
AA
23
)0,5,0(),6,1,4(
31
AA
9
)1,3,5(),3,1,3(
42
AA
24
)2,6,0(),4,2,2(
42
AA
10
)1,6,6(),1,0,4(
53
AA
25
)6,7,1(),4,3,5(
53
AA
11
)3,1,6(),3,4,0(
41
AA
26
)1,4,5(),5,5,2(
41
AA
12
)6,7,9(),0,2,3(
52
AA
27
)6,6,4(),3,0,5(
52
AA
13
)3,1,4(),5,7,2(
31
AA
28
)1,1,5(),3,7,1(
31
AA
14
)7,1,1(),3,3,3(
42
AA
29
)2,5,3(),4,3,1(
42
AA
15
)6,7,6(),2,1,4(
53
AA
30
)5,3,1(),3,1,5(
53
AA
Задача 17
В тетраэдре ABCD найти объем V, площадь S основания ,ABC высоту
DK
H
=
и высоту
CLh
=
основания.
N
A
B
C
1
)5,2,1(
A )7,4,0(B )12,16,5(C )22,4,0(D
2
)1,3,2(
A )9,1,3(B )2,3,3(
C )19,1,4(D
3
)4,5,3(
A )2,3,4(
B )3,9,9(
C )7,1,9(D
4
)5,2,4(
A )3,2,5(
B )11,6,5(
C )21,2,6(
D
5
)5,3,1(
A )3,1,0(
B )23,11,8(C )40,13,9(D
6
)3,1,2(
A )5,5,3(B )13,7,6(
C )2,17,2(
D
7
)1,3,2(
A )5,1,4(B )17,1,5(
C )15,3,4(
D
8
)3,1,2(
A )11,3,3(B )1,5,5(
C )16,1,6(
D
9
)3,4,2(
A )5,6,1(
B )5,24,4(
C )8,26,2(
D
10
)1,3,2(
A )7,1,3(
B )1,3,4(
C )10,1,4(D
11
)1,2,3(
A )1,0,4(B )9,4,4(
C )23,6,4(
D
12
)3,2,4(A )1,0,5(B )11,26,16(
C )24,14,11(
D
13
)2,1,3(
A )6,5,4(
B )14,7,5(C )9,1,5(
D
14
)1,5,3(
A )9,1,4(
B )9,13,7(C )0,3,3(D
15
)0,2,1(
A )2,0,0(
B )28,12,8(
C )15,14,9(
D
16
)9,5,2(A )1,1,3(B )13,9,5(C )32,5,6(D
17
)5,3,2(A )1,1,3(B )11,1,5(
C )17,1,6(
D
18
)4,3,4(A )12,1,5(
B )6,3,6(C )4,1,6(
D
19
)4,3,2(A )2,1,3(B )8,7,5(
C )9,9,6(
D
20
)1,6,2(
A )7,2,3(B )7,10,3(
C )28,6,4(D
21
)6,3,2(
A )8,6,3(
B )10,4,4(
C )15,0,4(D
22
)2,3,1(
A )10,1,0(
B )8,11,3(
C )8,3,2(D
23
)5,1,3(A )3,3,4(B )9,29,15(
C )5,2,3(
D
24
)3,4,1(
A )5,8,0(
B )7,0,2(C )26,4,3(D
25
)2,1,3(
A )0,1,4(B )26,13,12(
C )0,1,1(
D
26
)2,3,2(
A )6,1,3(
B )0,3,4(
C )2,1,4(D
27
)8,4,3(
A )6,2,4(
B )8,2,6(
C )5,0,7(D
28
)1,2,3(
A )9,2,4(B )5,6,4(
C )24,2,5(
D
29
)2,1,3(
A )0,3,2(
B )6,11,0(C )2,3,2(
D
30
)3,5,1(
A )11,9,2(
B )7,3,5(
C )3,3,0(
D
8    A1 (1,−2,5), A3 (5,2,3)             23   A1 (4,1,−6), A3 (0,5,0)
 9   A2 (3,−1,3), A4 (5,3,1)             24   A2 (2,2,−4), A4 (0,6,2)
10   A3 (4,0,1), A5 (6,6,−1)             25   A3 (5,3,4), A5 (1,7,6)
11   A1 (0,4,−3), A4 (6,1,3)             26   A1 (2,−5,5), A4 (5,4,−1)
12   A2 (3,−2,0), A5 (9,7,−6)            27   A2 (5,0,−3), A5 (−4,6,6)
13   A1 (2,−7,5), A3 (4,−1,3)            28   A1 (1,−7,3), A3 (5,−1,1)
14   A2 (3,−3,3), A4 (1,1,7)             29   A2 (−1,3,−4), A4 (3,5,2)
15   A3 (4,1,2), A5 (6,7,6)              30   A3 (5,−1,3), A5 (1,3,5)


Задача 17
В тетраэдре ABCD найти объем V, площадь S основания ABC , высоту         H = DK и высоту
h = CL основания.
N A                     B                    C                           D
 1 A(−1,2,5)            B (0,4,7)            C (5,16,12)                 D(0,4,22)
 2 A(2,−3,1)            B (3,1,9)            C (3,−3,2)                  D(4,1,19)
 3 A(3,−5,4)            B (4,−3,2)           C (9,9,−3)                  D(9,1,7)
 4 A(4,−2,5)            B (5,2,−3)           C (5,−6,11)                 D(6,−2,21)
 5 A(−1,−3,−5)          B (0,−1,−3)          C (8,11,23)                 D(9,13,40)
 6 A(2,1,−3)            B (3,5,5)            C (6,−7,−13)                D(2,17,−2)
 7 A(2,−3,1)            B (4,1,5)            C (5,−1,17)                 D(4,−3,−15)
 8 A(2,−1,3)            B (3,3,11)           C (5,−5,−1)                 D(6,−1,16)
 9 A(−2,4,3)            B (−1,6,5)           C (4,24,−5)                 D(−2,26,8)
10 A(2,−3,1)            B (3,1,−7)           C (4,−3,−1)                 D(4,1,10)
11 A(3,2,−1)            B (4,0,1)            C (4,−4,−9)                 D(4,−6,23)
12 A(4,2,3)             B (5,0,1)            C (16,−26,−11)              D(11,−14,24)
13 A(3,−1,2)            B (4,−5,−6)          C (5,7,14)                  D(5,−1,9)
14 A(3,5,−1)            B (4,1,−9)           C (7,13,9)                  D(3,3,0)
15 A(−1,2,0)            B (0,0,−2)           C (8,−12,−28)               D(9,−14,−15)
16 A(2,5,9)             B (3,1,1)            C (5,9,13)                  D(6,5,32)
17 A(2,3,5)             B (3,1,1)            C (5,1,−11)                 D(6,−1,17)
18 A(4,3,4)             B (5,−1,12)          C (6,3,6)                   D(6,−1,4)
19 A(2,3,4)             B (3,1,2)            C (5,−7,8)                  D(6,−9,−9)
20 A(2,6,−1)            B (3,2,7)            C (3,10,−7)                 D(4,6,28)
21 A(2,3,−6)            B (3,6,−8)           C (4,−4,10)                 D(4,0,15)
22 A(−1,3,2)            B (0,−1,10)          C (3,11,−8)                 D(2,3,8)
23 A(3,1,5)             B (4,3,3)            C (15,29,−9)                D(3,−2,5)
24 A(−1,4,3)            B (0,8,−5)           C (2,0,7)                   D(3,4,26)
25 A(3,−1,2)            B (4,1,0)            C (12,13,−26)               D(−1,−1,0)
26 A(2,−3,2)            B (3,1,−6)           C (4,−3,0)                  D(4,1,2)
27 A(3,−4,8)            B (4,−2,6)           C (6,−2,−8)                 D(7,0,5)
28 A(3,−2,−1)           B (4,2,9)            C (4,−6,5)                  D(5,−2,24)
29 A(−3,1,2)            B (−2,3,0)           C (0,11,6)                  D(2,−3,2)
30 A(1,5,−3)            B (2,9,−11)          C (5,−3,7)                  D(0,3,−3)