Big triangle?

Geometry Level 3

A triangle is formed by point a = (6,5,3) , ( 3,3,1) and (15,11,9) . Find area of triangle. (choose most appropriate answer)

Zero greater tham 1/3 lesser than 1/3 lesser than 1

Thushar Mn by Thushar Mn , 28, India

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1 solution

Thushar Mn
Mar 10, 2016

here pts lie on straight line , x − 3 3 \frac{x-3}{3} = y − 3 2 \frac{y-3}{2} = z − 1 2 \frac{z-1}{2} =t

1 Helpful 0 Interesting 0 Brilliant 0 Confused

But 3 x + y + z = 5 3x+y+z=5 defines a plane, not a line ;) This answer is incorrect.

Otto Bretscher - 5 years, 3 months ago

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thank u.. :)

Thushar Mn - 5 years, 3 months ago

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