(3) The area of a triangle with vertices
(3, 0), (7, 0) and (8, 4) is ......... sq units.
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Answer:
8 sq. unit
Explanation:
explanation=using triangle area formula
1/2|x1(y2-y3)+x2(y3-y1)+x3(y1-y2)|
1/2|3(0-4)+7(4-0)+8(0-0)
1/2|-12+28|
1/2|16|
16/2
8 sq. unit
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