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Solve: area of circle radius 39 — Detailed Solution | AhaStep

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📐 MathLevel 2 — 🟢 Basicgeometry👁 22 views⏱ 1 min read

Solve: area of circle radius 39

📝 Problem

area of circle radius 39

✨Detailed Solution

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解题一个长方形花园的周长为18米，面积为100平方米。求花园的长和宽。解方程: 7x² + 43 = 0 — 详细解答步骤

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解题一个长方形花园的周长为38米，面积为44平方米。求花园的长和宽。解方程: 8x² + 29x + 17 = 0 — 详细解答步骤

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1. 📝 Circle: r = 39

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2. 📐 Formula:

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3. ✅ Result: = 4778.362426

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4. 📐 Diagram: Geometric illustration

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解题一个长方形花园的周长为52米，面积为13平方米。求花园的长和宽。解方程: 4x² - 4x + 9 = 0 — 详细解答步骤