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B: Find the area of the triangle with vertices P(3,-3,0),Q(1,2,2) and R(1,-2,5)

Solution

B: Find the area of the triangle with vertices P(3, -3, 0), Q(1, 2, 2) and R(1, -2, 5)

Solution

a re a : \frac{629}{2}

+1

Decimal Notation

12.53993 \dots

Solution steps

Given:

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

p o in t P : (3, - 3, 0)

p o in t R : (1, - 2, 5)

Find triangle area using vector cross product:

\frac{629}{2}

a re a : \frac{629}{2}

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