首页
登录
职称英语
The ratio of the two legs of a right triangle is 1 to 7. If the length if the hy
The ratio of the two legs of a right triangle is 1 to 7. If the length if the hy
游客
2024-01-12
29
管理
问题
The ratio of the two legs of a right triangle is 1 to 7. If the length if the hypotenuse of the triangle is
, then the perimeter of the triangle is between
选项
A、31 and 32
B、30 and 31
C、29 and 30
D、28 and 29
E、27 and 28
答案
B
解析
由勾股定理,直角三角形三边之比为1:7:
。已知斜边为
,那么两个直角边为2和14,周长为16+
≈30.14,故答案为B。
转载请注明原文地址:https://tihaiku.com/zcyy/3355335.html
相关试题推荐
ToreadofAbigailAdams’lengthyseparationfromherfamily,herdifficulttrav
ToreadofAbigailAdams’lengthyseparationfromherfamily,herdifficulttrav
Whatistheratiooftheperimeterofapentagonwitheachsideoflength6tot
Acertainrectanglehasperimeter54.Iftheratioofthelengthoftherectangl
Iftheperimeterofatriangleis18,thenthelengthofoneofthesidesCANNOT
Ifthelengthsoftwoofthesidesofatriangleare9and10,whichofthefoll
Ifaandbarethelengthsofthelegsofarighttri-anglewhosehypotenuseis
Whatistheareaofthetriangleinthefigurebelow?[img]2012q1/ct_egreqm_egreq
Intheprecedingfigure,eachofthefoursquareshassidesoflength2x.Iftri
[img]2012q1/ct_egreqm_egreqtbz3_0058_20121[/img][br]Thelengthofarectangula
随机试题
RipVanWinkleiswrittenby______.A、JamesFenimoreCooperB、WashingtonIrvingC
Ifyou’relikemostpeople,you’ve【B1】______fakelisteningmanytimes.Youg
实施素质教育的意义有哪些?
高度超过50m的建筑宜竖向分区设置供暖系统,其主要目的是()A.降低供暖系统
家蝇对拟除虫菊酯类杀虫剂产生抗性,原因是神经细胞膜上某通道蛋白中的一个亮氨酸替换
下述哪项不是急性胎儿窘迫的临床表现A.胎心140次/分 B.胎心100次/分
赵雷,武亦姝有两句话格外令人印象深刻。一句话是“人生需要不断感动,才能守住那些始
“(销售收人一销售成本)/销售收人”这一指标可以反映每1元销售收人所带来的净利
A.祛风湿,止痛,解表 B.祛风湿,止痛,利水 C.祛风湿,利关节,解毒
关于实际工资的说法,错误的是()。A.实际工资是企业支付给员工的货币工资
最新回复
(
0
)