To calculate vertices are anea of a triangle whose A (2,-1,4), B (3,5,-2), C (-11, -6,8), the

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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To calculate
vertices
is
of
triangle whose
are A (2,-1, 4), B (3,5,-2), C (-11, -6, 8),
Area of a
Them
Now
the
Here the given triangle is
12 | ABXA² | .
AB =
AC
triangle
ane a
AB X AC
(3,5,-2)-(2,-1,4)
22 | ABXAC |
A
=(1,6,-6)
(-11₁-6, 8) (2,-1,4)
= (-13, -5, 4).
=
A(2,-1,4)
C (-11, -6, 8).
(-6, 74, 60).
11/2/2 √ (²-6) ² + 74² + 60°
1/2 √9112
B
Area of the given triangle is 1/2 √9112
B (3,5,-2)
unit".
Transcribed Image Text:To calculate vertices is of triangle whose are A (2,-1, 4), B (3,5,-2), C (-11, -6, 8), Area of a Them Now the Here the given triangle is 12 | ABXA² | . AB = AC triangle ane a AB X AC (3,5,-2)-(2,-1,4) 22 | ABXAC | A =(1,6,-6) (-11₁-6, 8) (2,-1,4) = (-13, -5, 4). = A(2,-1,4) C (-11, -6, 8). (-6, 74, 60). 11/2/2 √ (²-6) ² + 74² + 60° 1/2 √9112 B Area of the given triangle is 1/2 √9112 B (3,5,-2) unit".
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