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شائع Word Problems >

find the area of a triangle with vertices p(1,-1,0) Q(2,1,-2)R(-1,1,2)

الحلّ

f in d t h e a re a o f a t r ian g l e w i t h v er t i ces p (1, - 1, 0) Q (2, 1, - 2) R (- 1, 1, 2)

الحلّ

a re a p : 26

+1

عشري

5.09901 \dots

خطوات الحلّ

Given:

p o in t : (1, - 1, 0)

p o in t Q : (- 1, 1, 2)

p o in t Q : (2, 1, - 2)

Find triangle area using vector cross product:

26

a re a p : 26

أمثلة شائعة

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