Thread: Please help Urgent question

Q - Prove that if A, B, and C are three points in space, then the area of triangle ABC can be
calculated with the formula

Area of triangle ABC = 1/2|AB × AC|.

Originally Posted by mikejohn

Q - Prove that if A, B, and C are three points in space, then the area of triangle ABC can be
calculated with the formula

Area of triangle ABC = 1/2|AB × AC|.

you've posted this same question in more than one forum ... please refrain from doing so in future.