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  3. The flat triangular lot depicted above is available for development. If [img]201

The flat triangular lot depicted above is available for development. If [img]201

游客2024-01-14  70
问题 The flat triangular lot depicted above is available for development. If 150 meters, what is the area of the lot in square meters?
选项 A、 
B、 
C、 
D、 
E、 
答案 D
解析 You can tell from the statement that x=100 meters, and since one of the legs of the right triangle is x/2 and the hypotenuse is x, you can tell that this is a 30-60-90 triangle, and the legs of the triangle are then 50 and . The area of a triangle is one-half base times height, so .
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