I ) If BD is the vertex on the side AC then ∠ABD = ?
Answers
Answered by
3
Answer:
Correct option is
A
(
7
−20
,
7
−30
,
7
10
)
BM
= Component of AB perpendicular to AC.
∴
BM
=
AB
− Projection of
AB
on
AC
∴
BM
=
AB
−
(
AC
)
2
(
AB
⋅
AC
)
AC
Given:
AB
=6
j
^
−2
k
^
AC
=−5
i
^
+3
j
^
−1
k
^
Hence, we get
BM
=−
7
20
i
^
−
7
30
j
^
+
7
10
k
^
Hence, option A.
Step-by-step explanation:
hope helps to you
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