一个等腰三角形的边长分别是4cm和9cm,则它的周长是        cm

一个等腰三角形的边长分别是4cm9cm,则它的周长是        cm

答案

 22      

相关题目

Though they met for the first time,they talked ________ they were good friend
Though they met for the first time,they talked ________ they were good friends. A.even if     B.as if     C.even though      D.if only
将1 mol H2(g)和2 mol I2(g)置于某2 L密闭容器中,在一定温度下发
将1 mol H2(g)和2 mol I2(g)置于某2 L密闭容器中,在一定温度下发生反应:H2(g)+I2(g)2HI(g) ΔH<0,并达到平衡。HI的体积分数w(HI)随时间变化如图(Ⅱ)所示,若
在1940年5月的枣宜会战中,壮烈殉国的著名抗战将领是( )
在1940年5月的枣宜会战中,壮烈殉国的著名抗战将领是( ) A.张自忠 B.宋哲元C.谢晋元D.林伯渠
某课外小组的同学,在制备有关物质所设计的下列途径中,
某课外小组的同学,在制备有关物质所设计的下列途径中,正确的是
如图所示,为一皮带传动装置,右轮半径为r,a为它边缘上一
如图所示,为一皮带传动装置,右轮半径为r,a为它边缘上一点;左侧是一轮轴,大轮半径为4r,小轮半径为2r,b点在小轮上,到小轮中心的距离为r。c
摩托车在平直公路上从静止开始起动,a1 =1.6m/s2,稍后匀速运
摩托车在平直公路上从静止开始起动,a1 =1.6m/s2,稍后匀速运动,然后减速,a2=6.4m/s2,直到停止,共历时130s,行程1600m。试求: (1)摩托车行驶的最大
When I was 12, all I wanted was a signet (图章) ring. They were the “in”
When I was 12, all I wanted was a signet (图章) ring. They were the “in” thing and it seemed every girl except me had one. On my 13th birthday, my Mum gave me a signet ring with my initials (
---- You’re always working. Come on, let’s go shopping.  -        
---- You’re always working. Come on, let’s go shopping.  -         -- - you ever want to do is going shopping.       A. Anything     B. Something      C. All       D.

最新题目