malikbryant2002 malikbryant2002

25-01-2018
Mathematics

contestada

What is the area of this polygon?

28.5 units²

34.5 units²

37.5 units²

40.5 units²

What is the area of this polygon 285 units 345 units 375 units 405 units class=

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choixongdong choixongdong

25-01-2018

A = 1/2(3)(1) + (6*3) + 1/2(3)(6) + 1/2(4)(3)
A = 1.5 + 18 + 9 + 6
A = 34.5

answer
34.5 units²

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jackyang0325p2z5fu jackyang0325p2z5fu

25-01-2018

A=I+b/2 -1, where I is interior points and b is boundary points, so it’s ..29+13/2-1=34.5. This is pick’s theorem

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