Write a function called area_000 which will find the area in acres and the perim

Question

Write a function called area_000 which will find the area in acres and the perimeter in feet of a plot of land, given the x-y coordinates for points P1, P2, P3, P4, comprising the four corners of the land. Make the function inter-active such that the user is told what the function is about, and then prompted to type the values for these 8 values from the keyboard.

Use the following data for the funtion:

Point X-Coordinate(feet) Y-Coordinate(feet)

P1 350 60

P2 375 380

P3 490 440

P4 580 25

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Explanation / Answer

clear all

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P1X=input('Input X coordinate of P1 ');

P1Y=input('Input Y coordinate of P1 ');

P2X=input('Input X coordinate of P2 ');

P2Y=input('Input Y coordinate of P2 ');

P3X=input('Input X coordinate of P3 ');

P3Y=input('Input Y coordinate of P3 ');

P4X=input('Input X coordinate of P4 ');

P4Y=input('Input Y coordinate of P4 ');

a=sqrt((P2X-P1X)^2+(P2Y-P1Y)^2); %sides

b=sqrt((P3X-P2X)^2+(P3Y-P2Y)^2);

c=sqrt((P4X-P3X)^2+(P4Y-P3Y)^2);

d=sqrt((P4X-P1X)^2+(P4Y-P1Y)^2);

d1=sqrt((P2X-P4X)^2+(P2Y-P4Y)^2); %diagonal 1

d2=sqrt((P3X-P1X)^2+(P3Y-P1Y)^2); %diagonal 2

perimeter=a+b+c+d

s=perimeter/2;

area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-1/4 *(a*c+b*d+d1*d2)*(a*c+b*d-d1*d2))

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