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