James is fencing off a triangular region for his cats to play in. From the first fence post, he walks 13 meters in a straight li
ne and plants the second fence post. From there, James heads in another direction for 5 meters and places the third fence post. If the distance between the first and third fence posts is 9 meters, find the area of the enclosed region. Round the answer to the nearest tenth.
Area of triangle = sqrt[ s(s-a)(s-b)(s-c) ] where s = half the perimeter of the triangle = 1/2 * 13+5+9 = 13.5 so required area = sqrt [ (13.5)(13.5-13)(13.5-5)(13.5-9)] = 16.1 square meters
Hello good person. The answer is C, (4,7). If you replace the x's in both equations (4) and the y's i both equations (7) you would get your answer for both.
