Home›数学›解题 一个半径为 r = 28 cm 的圆，求面积和周长。 — 详细解答步骤📐 数学难度 4 — 🟢 Basicgeometry👁 14 浏览次数⏱ 1 min read☆收藏解题 一个半径为 r = 28 cm 的圆，求面积和周长。 — 详细解答步骤📝 Problem一个半径为 r = 28 cm 的圆，求面积和周长。✨详细解答🔗 相似题目📐 Lv.2Geometry Problem A circle has a radius of 9 cm. Calculate its circumference and area. Show you... — Detailed Solution📐 Lv.2Geometry Problem A circular park has a radius of 5 meters. Calculate the area that needs to be... — Detailed Solution📐 Lv.4Geometry Problem A rectangle has length 19 cm and width 5 cm. Find area, perimeter, and diagonal. — Detailed Solution📐 Lv.2Solve: area of circle radius 39📚 Related Knowledge了解更多关于数学中geometry的知识。📐 View geometry Theory →📚 Solutions Library📐 更多数学题目📖 Topic: geometry🚀解决你的问题拍照或输入题目 — AI逐步解答AhaStep →