首页
登录
职称英语
[img]2022m10x/ct_ve01204002j_0031_221018[/img]If each side of△ACD above has len
[img]2022m10x/ct_ve01204002j_0031_221018[/img]If each side of△ACD above has len
游客
2025-02-27
31
管理
问题
If each side of△ACD above has length 3 and if AB has length 1,what is the area of region BCDE?
选项
A、
B、
C、
D、
E、
答案
B
解析
The area of region BCDE is the area of △ACD minus the area of △ABE. Since AACD is equilateral, its area is
. △ABE is a 30-60-90 triangle with side lengths 1,
, and 2 and area
.Thus, the area of region BCDE is
The correct answer is B.
转载请注明原文地址:https://tihaiku.com/zcyy/3974644.html
相关试题推荐
[img]2022m10x/ct_ve01204002j_0066_221018[/img]Eachentryinthemultiplication
[img]2022m10x/ct_ve01204002j_0040_221018[/img]AfactoryassemblesProductXfro
[img]2022m10x/ct_ve01204002j_0037_221018[/img]Thetableaboveshowsthepercent
[img]2022m10x/ct_ve01204002j_0036_221018[/img]Thefigureaboveshowssomeofth
[img]2022m10x/ct_ve01204002j_0034_221018[/img]Inthefigureabove,PQisadiame
[img]2022m10x/ct_ve01204002j_0029_221018[/img]Inthefigureabove,theareaoft
[img]2022m10x/ct_ve01204002j_0027_221018[/img]Thefigureaboveshowsthedimens
[img]2022m10x/ct_ve01204002j_0022_221018[/img]Theshadedregioninthefigurea
Ofthefollowing,whichisgreatest?[img]2022m10x/ct_ve01204002j_0042_221018[/i
三条直线能够把一个圆的内部最多分成多少个没有重叠部分的区域?A、5B、6C、7D、8E、9C[img]2022m10x/ct_ve01203002j_
随机试题
Manyyoungpeoplebelievegoodgradesandexcellentinternshipswilllandth
[originaltext]6.Ms.Smithvotedagainsttheinvestmentproposalinthatdistri
(1)Collegestudentsaremorestressedoutthaneverbefore—atleastaccordin
FTP客户上传文件时,通过服务器20端口建立的连接是建立在TCP之上的数据连接,
可引起温室效应的主要物质是A.SO B.CO C.CO D.NO E.N
8个月,女孩,因反复呼吸道感染3个月就诊。母乳喂养。体检,心肺无异常,肝脾不肿大
A.红霉素 B.青霉素G C.庆大霉素 D.头孢唑啉 E.磺胺嘧啶主要用
使学生具有初步的分辨是非的能力是( )阶段德育目标的要求。A.小学 B.
既能祛风湿,又能止痛的药物有A.雪莲花 B.独活 C.防己 D.川乌
开展项目后评价时,项目投产运营阶段需评价的内容是( )。A.生产准备评价B.项目
最新回复
(
0
)