Question

The area of a triangle with vertices A (3,0), B (7,0) and C (8,4) is___ square units.



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Answer 1

Step-by-step explanation:

= 1/2 | [3(0-4) + 7(4-0) + 8 (0-0)]

= 1/2 | [3(-4) + 7(4) + 8 (0)]

= 1/2 | [-12 + 28 + 0]

= 1/2 | [16]

= 1/2 x 16

= 8 sq. units

Hope this helps