If the triangle ABC whose vertices are A (-1, 1, 1), B (1, -1, 1) and C (1, 1, -1) is…

MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors

Problem

If the triangle ABC whose vertices are A (-1, 1, 1), B (1, -1, 1) and C (1, 1, -1) is projected on xy-plane, then the area of the projected triangles is .....

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