A Large Region of Forest Has Been Infested with Gypsy

question 47

Multiple Choice

A large region of forest has been infested with gypsy moths.The region is roughly triangular,as shown in the figure on the next page.From the northernmost vertex A of the region,the distances to the other vertices are x = 25 miles south and 10 miles east (for vertex B) ,and 20 miles south and 28 miles east (for vertex C) .Use a graphing utility to approximate the number of square miles in this region.​ ​

• A)250 mi²
• B)280 mi²
• C)260 mi²
• D)290 mi²
• E)270 mi²

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