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riadik2000 [5.3K]
3 years ago
14

. Assume you have a dot grid with 36 dots per sq.in. How many acres are represented by each dot using the following map scales:

(a) 330 ft. per in., (b) 25 chains per in., (c) 1 mile per in.
Physics
1 answer:
elixir [45]3 years ago
4 0

Answer:

a) 0.069 acres

b) 0.114acres

c) 17.78acres

Explanation:

1 dot=1/36sqin

a) 1 sqin= 330×330=108900ft^2

1 dot=108900/36 =3025ft^2

Converting to acre,divide by43560

3025/43560 =0.069acre

b) 1 chain =22 yards

25×22=550yards

Converting to acre divide by 4840

550/4840 =0.114acre

c)1 sqmile =640acres

(1/36) ÷ 640

640/36

17.78acres

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