[LuyenThiThuKhoa.vn]_Integral right triangle and rhombus pairs with a common area and a common perimeter - Shane Chern We prove that there are infinitely many integral right triangle and θ-integral rhombus pairs with a common area and a common perimeter by the theory of elliptic curves. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education