✨ Best Answer ✨
∠EDFのことなら
∠CDF=90-72=18
合同な図形の対応する角は等しいから
∠ADE=∠CDF=18°
よって∠EDF=90-18×2=54°
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✨ Best Answer ✨
∠EDFのことなら
∠CDF=90-72=18
合同な図形の対応する角は等しいから
∠ADE=∠CDF=18°
よって∠EDF=90-18×2=54°
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are also looking at these questions 😉
