直径30,半径15
3.14×15×15×(240/360)=471平方厘米
猜你喜欢
- 1mother is day is the second sunday.(.是填空的)
- 2Rainy days make me (sad)对括号里提问 the fine weather makes me happy.改为一般疑问句
- 3写作的心态
- 4月亮离开地球后,地球会变成怎么样?
- 51.There'e two brothers.One lives on one side(边),and the other is on the other side.______
- 6old,short,fat,tall,nice,large,big,hot,happy,early,good,bad,far,small,much,little,wonderful,
- 7Meimei likes Maths a lot.So she does her best( )it well.(learn)
- 8奴隶社会,封建社会,等等,划分的标志是什么?
- 9一个长方体的木块,被截成两个完全相同的正方体.两个正方体的棱长之和比原来长方体棱长之和增加了16cm.求原来长方体的长是多少厘米?
- 10it was_that resulted in the terrible accident.A.because of her carelessnessB.her being carelessnessC.because she wascare