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Please don’t only answer this explain how to figure it out so I have it for future reference

Please don’t only answer this explain how to figure it out so I have it for future-example-1

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The polygon is built of 7 triangles (picture).


P=7\cdot(1)/(2)ah\\ a=28.9 \text{ m}\\ h=30 \text{ m}\\\\ P=7\cdot(1)/(2)\cdot28.9\cdot30\\ P=3034.5 \text { m}^2 \Rightarrow C
Please don’t only answer this explain how to figure it out so I have it for future-example-1
User Eulerfx
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