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英语翻译The coordinates of the three points A,B,C on the plane a
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英语翻译
The coordinates of the three points A,B,C on the plane are (-5,-5),(-2,-1) and (-1,-2),respectively,the triangle ABC is ( )
A、a right triangle B、an isosceles triangle C、an equilateral triangle D、an obtuse triangle
英语翻译
The coordinates of the three points A,B,C on the plane are (-5,-5),(-2,-1) and (-1,-2),respectively,the triangle ABC is ( )
A、a right triangle B、an isosceles triangle C、an equilateral triangle D、an obtuse triangle
The coordinates of the three points A,B,C on the plane are (-5,-5),(-2,-1) and (-1,-2),respectively,the triangle ABC is ( )
A、a right triangle B、an isosceles triangle C、an equilateral triangle D、an obtuse triangle
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