3 years ago

Find the area of the polygon.

1 answer:

5 0

Answer:

820 $m^{2}$

Step-by-step explanation:

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scoundrel [369]

Factor each out:
11: 1*11
39: 3*13
35: 5*7
8: 2*2*2
since you can see no common factor just multiply them all to get 120120

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UkoKoshka [18]

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Step-by-step explanation:

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Sindrei [870]

He needs 25 cm^3 of sand

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3 years ago

lapo4ka [179]

Answer: 18.7

Step-by-step explanation:

Find the lengths of AB, BC, and CA

AB = $\sqrt{(4-(-1))^{2} + (-1-4)^{2} }$ = 5 $\sqrt{2}$ ≈ 7.1

BC = $\sqrt{(0-(-1))^{2} + (-3-4)^{2} }$ = 5 $\sqrt{2}$ ≈ 7.1

CA = $\sqrt{(0-4)^{2} + (-3-(-1))^{2} }$ = 2 $\sqrt{5}$ ≈ 4.5

7.1 + 7.1 + 4.5 = 18.7

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2 years ago

Elena L [17]

Answer: 4 I think . not sure

Step-by-step explanation:

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3 years ago