dimondflower89 dimondflower89

03-04-2018
Mathematics

contestada

whats the area of a polygon with vertices A(2,3) B(12,3) C(6,0) and D(2,0)

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SINAZEUS SINAZEUS

03-04-2018

this shape is trapezoid

top of the trapezoid is 10 (12-2)

and the bottom is 4 (6-2)

the height in 3 (3-0)

so the area will be
[tex]((10+4) \times 3) \div 2 \\ = (14 \times 3) \div 2 = 42 \div 2 \\ = 21[/tex]
the area is 21

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