2道英语数学题1.ABCD is a rhombus where A=(-3,0),B=(0,4),C=(5,4) and D=(2,0) Prove that the diagonals are perpendicular bisectors of on another.2.Prove that the point (-1,2genhao2),(genhao3,-genhao6)and (-genhao5,2) all lie on a circle with cent
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![2道英语数学题1.ABCD is a rhombus where A=(-3,0),B=(0,4),C=(5,4) and D=(2,0) Prove that the diagonals are perpendicular bisectors of on another.2.Prove that the point (-1,2genhao2),(genhao3,-genhao6)and (-genhao5,2) all lie on a circle with cent](/uploads/image/z/2612065-49-5.jpg?t=2%E9%81%93%E8%8B%B1%E8%AF%AD%E6%95%B0%E5%AD%A6%E9%A2%981.ABCD+is+a+rhombus+where+A%3D%28-3%2C0%29%2CB%3D%280%2C4%29%2CC%3D%285%2C4%29+and+D%3D%282%2C0%29+Prove+that+the+diagonals+are+perpendicular+bisectors+of+on+another.2.Prove+that+the+point+%28-1%2C2genhao2%29%2C%28genhao3%2C-genhao6%29and+%28-genhao5%2C2%29+all+lie+on+a+circle+with+cent)
2道英语数学题1.ABCD is a rhombus where A=(-3,0),B=(0,4),C=(5,4) and D=(2,0) Prove that the diagonals are perpendicular bisectors of on another.2.Prove that the point (-1,2genhao2),(genhao3,-genhao6)and (-genhao5,2) all lie on a circle with cent
2道英语数学题
1.ABCD is a rhombus where A=(-3,0),B=(0,4),C=(5,4) and D=(2,0) Prove that the diagonals are perpendicular bisectors of on another.
2.Prove that the point (-1,2genhao2),(genhao3,-genhao6)and (-genhao5,2) all lie on a circle with centre the origin.what are the radius and equation of the circle?
2道英语数学题1.ABCD is a rhombus where A=(-3,0),B=(0,4),C=(5,4) and D=(2,0) Prove that the diagonals are perpendicular bisectors of on another.2.Prove that the point (-1,2genhao2),(genhao3,-genhao6)and (-genhao5,2) all lie on a circle with cent
1.因为ABCD is a rhombus[ABCD是菱形],所以the diagonals are perpendicular bisectors of on another[一条对角线垂直并平分另一条对角线]
2.不知道