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Mathematics
Mathematics
Problem
Consider the points
A
(
−
1
,
0
,
2
)
A(-1, 0, 2)
A
(
−
1
,
0
,
2
)
,
B
(
4
,
1
,
1
)
B(4, 1, 1)
B
(
4
,
1
,
1
)
, and
C
(
−
2
,
2
,
0
)
C(-2, 2, 0)
C
(
−
2
,
2
,
0
)
. a. Find the length of:
[
A
B
]
[AB]
[
A
B
]
b. Find the length of:
[
A
C
]
[AC]
[
A
C
]
c. Find the length of:
[
B
C
]
[BC]
[
B
C
]
. d. Find the measure of
A
B
C
^
\widehat{ABC}
A
B
C
.
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