✨ Best Answer ✨
中点連結定理よりPQ=SR=1/2AC
同様にPS=QR=1/2BD
AC=BDよりPQ=SR=PQ=QR
よって4つの辺が等しいのでひし形
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✨ Best Answer ✨
中点連結定理よりPQ=SR=1/2AC
同様にPS=QR=1/2BD
AC=BDよりPQ=SR=PQ=QR
よって4つの辺が等しいのでひし形
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are also looking at these questions 😉
