3D - 1

Geometry Level pending

Find the angle ( in degrees ) between the lines whose direction ratios are a a , b b , c c and b − c b - c , c − a c - a , a − b a - b .


The answer is 90.

Manmeswar Patnaik by Manmeswar Patnaik , 22, India

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1 solution

3 Helpful 0 Interesting 0 Brilliant 0 Confused

Can also be done using a=1 , b=2 , c=1

Rishabh Deep Singh - 5 years, 3 months ago

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