pythagorean theorem

Follow the method outline below to find the area of the triangle with vertices A =(-3,0) B=(4,4) and C
=(0,-4):
a. Draw the triangle
b. find the equation of the line, in standard form, that is perpendicular to side BC and goes through point A
c. Find the point of intersection between the two lines you found in parts b and c, above. Label this point D
d. Use the pythagorean theorem to find the distance between points B and C
e. Use the pythagorean theorem to find the distance betweem points A and D
f. What is the area of the triangle

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