両方の、解き方教えてください！！こういう問題のとくこつを教えて欲しいなー♪
こんな感じの図を頭の中でイメージ出来たら解けるとおもうよ！
Users viewing this question are also looking at these questions 😉
![be:ri[偏差値75]](https://d16qcfao6gys7e.cloudfront.net/uploads/user/avatar/781719/thumb_s_ef9a8e8a6a.jpg?Expires=1779088382&Signature=GfTcLP4zyo3FAhQMwKqo3fyK47583RupVT0gws-JmUqAQyEM~B8rmtI5~iHW2ZJ3EWnJW0gjJOLzlsrNBugkJ8NPceSkl1Z7Wpb~SF8nb80-ivFWUdCRz~QsqPey5u6kqcgQguj-mRHPrWANz6dXMSvIuROAExjK2POzlTbOLhIyJGr7WNXm5mFitL9N8DZrqhobT3fXq~PCG0jCI2eA0-Inh8pdhnaUtJFUop~-dxDN5IoIeDMitpMvmnvlPcyBsjcWG8eYwC7GHUN4PL9AdTzXYxFQEWLOhRatGTcSd0G6pHJCq8yJO7bOSpkMEAbIBTGFZ0sZSeviC0agt4DuXw__&Key-Pair-Id=K2PR0GXBPZ19LT)
