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Find the area of the polygon defined by the coordinates (4, -1), (-1, 4), (11, 16), and (16, 11).

User Yangfan
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Answer: it’s 120 square units. I just took the test



User Lee Whitney III
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From the coordinates given the area will be as follows:
Area=length*width
(4, -1), (-1, 4), (11, 16), and (16, 11).
length of the triangle is given by:
length=√[(16--1)²+(11-4)²]=18.4
width=√[(4--1)²+(-1-4)²]=√(25+25)=7.1
thus the area will be:
A=18.4×7.1
A=130.64 sq. units

Find the area of the polygon defined by the coordinates (4, -1), (-1, 4), (11, 16), and-example-1
User Ndotie
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