题目内容
如图,扇形OAB是圆锥的侧面展开图,若小正方形方格的边长均为1厘米,则这个圆锥的底面半径为_____厘米.
- A.
- B.
- C.
- D.
B
[{"type":"tigan","data":"如图,扇形OAB是圆锥的侧面展开图,若小正方形方格的边长均为1厘米,则这个圆锥的底面半径为_____厘米."},{"type":"danxuan","data":{"A":"\\frac{1}{2}<\/var>","B":"\\frac{\\sqrt{2}}{2}<\/var>","C":"\\sqrt{2}<\/var>","D":"2\\sqrt{2}<\/var>"},"ans":"B","perline":2}]
[{"type":"tigan","data":"如图,扇形OAB是圆锥的侧面展开图,若小正方形方格的边长均为1厘米,则这个圆锥的底面半径为_____厘米."},{"type":"danxuan","data":{"A":"\\frac{1}{2}<\/var>","B":"\\frac{\\sqrt{2}}{2}<\/var>","C":"\\sqrt{2}<\/var>","D":"2\\sqrt{2}<\/var>"},"ans":"B","perline":2}]
练习册系列答案
相关题目