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Sonja [21]
3 years ago
13

A rectangular plot of land is represented on a map by the vertices (10,10) , (10,90) , (70.5, 90) , (70.5, 10), where the x and

y coordinates are measured in yards. What us the area of the plot of land?
A 1560 yards squared
B 4840 yards squared
C 5445 yards squared
D 6345 yards squared
Mathematics
1 answer:
SVEN [57.7K]3 years ago
5 0
For this case we have that the area of the rectangle is given by:
 A = (w) * (l)
 Where,
 w: width
 l: long
 We use the distance formula between two points:
 d = root ((x2-x1) ^ 2 + (y2-y1) ^ 2)
 We look for the simulations:
 Width:
 w = root ((10-10) ^ 2 + (90-10) ^ 2)
 w = 80
 Long:
 L = root ((10-10) ^ 2 + (10-70.5) ^ 2)
 L = 60.5
 Substituting we have:
 A = (80) * (60.5)
 A = 4840 yd ^ 2
 Answer:
 The area of the plot of land is:
 B 4840 yards squared
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