問題詳情
14. 如下圖，E、F、G、H分別為長方形ABCD四邊的中點，且I、J、K、L 分別為四邊形EFGH四邊的中點。若 
，請問四邊形 IJKL 面積為:
(A) 60
(B) 40
(C) 30
(D) 20 平方單位
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
內容推薦
- 在坐標平面上，圓O1半徑為7，圓心O1（－6 ,7)， 圓O2半徑為 4，圓心O2（1 , －2），求兩圓共有幾條公切線？ (A) 4 (B) 3 (C) 2 (D) 1 條
- 如下圖，梯形ABCD 中， ， 則 = ？ (A) 5 : 9 (B) 4 : 11 (C) 4 : 7 (D) 5 : 16
- 如下圖，四邊形 ABCD、ABEF、CEFD 皆為矩形，若 ，則下列敘述何者正確？ (A) 三個矩形彼此皆不相似 (B)只有矩形ABCD 與 CEFD 相似(C)只有矩形ABEF 與CEFD
- 如下圖，四邊形ABCD為圓O的圓外切四邊形，若 ＝14公分、 ＝12公分，則四邊形ABCD的周長為多少公分？ (A) 20 (B) 22 (C) 26 (D) 52 公分
- 已知圓O的直徑為15公分，而圓心O到四條直線LLLL4的距離分別為15公分、10公分、5公分、5公分，那麼此四條直線和圓O共有幾個交點？ (A) 2 (B) 3 (C) 4 (D
- 平面上有兩個圓OO2，其半徑分別為6，且 ＝10，則兩圓的位置關係為何？(A) 相交於兩點(B) 外離 (C) 外切 (D) 內離
- 已知四邊形ABCD～四邊形EFGH，A、B、C、D的對應頂點依序為E、F、G、H，若∠A：∠B：∠C＝3：4：5，∠D＝72°，則∠F ＝？ (A) 72° (B) 84° (C) 96° (D
- 已知A（－6，1）、B（6，－5）為坐標平面上的兩點， 的中點坐標為 (A) (0，－4) (B) (0，－2)(C) (－6，6) (D) (－6，4)
- 如下圖是一把剪刀的平面圖， 與 相交於B點，若 ＝12cm、 ＝6cm， 則△ABE與△CBD是否相似？若兩個三角形相似，其原因為何？ (A)不相似 (B) 相似，SSS相似 (C) 相似，
- △ABC～△DEF，且其對應角平分線長度的比為4:5，則對應邊 ＝ (A) 16：25 (B) 1：1 (C) 5：4 (D) 4：5
內容推薦
- ( ) Peter___________ twenty kilograms over the past sixmonths. He looks much thinner now.(A) lose
- ( ) John: Going jogging has become part of you everydaylife,___________?Linda: Yes,___________(A)
- ( )I___________ Tom three months ago, but I___________his reply (回覆) so far.(A) have mailed; didn
- ()Our teacher wanted us to practice English more often.She had us keep a diary in English,_______
- ( ) The man was___________ because he had no one to talk to.(A) bore (B) bored (C) boring (D) bor
- ( ) My mom didn't know___________ I was insterested___________music. She wanted me to be an
- It_______ five years since Emma_________Ricky.(A) has; was married(B) was; was married to(C) has
- ( ) The singer couldn't believe_______ were so many people coming to her concert. She was so
- ( ) Sarah looked_______ when she saw Mandy at thefront door. She hasn't seen her for years.(
- 【題組】 ( )(A) read (B) am reading (C) have read(D) was reading
- 【題組】( )(A) touching (B) touched (C) touches (D) touch
- 【題組】( )(A) stand (B) help (C)make sense of (D)rcach
- 【題組】( )(A)does (B)was (C)did (D)is
- 【題組】( )(A) that(B) what(C)so (D) if
- 【題組】( )(A) is interesting (B) interests (C) is interested to(D) interests in
- 【題組】( )(A) won't you? (B) shall we? (C) will you?(D) all right?
- 【題組】35(A) 'To stop thinking about what to buy(B) To get to understand the world better(C) To sa
- 【題組】()(A) becausc they are not useful at all(B) because you have nowhere to buy them in Italy(C)
- 【題組】( )(A) Wrapping the gifts is quite an easy job(B) We should also think twice when we wrap the
- 【題組】( ) Which might be the right ranking of the schools last ycar?(From top 1 to top 10)(A) Banto
- 【題組】( ) Which is true in the reading?(A) Students in Jetown only have pencil-and-paper tests.(B)
- 【題組】() What does "priority" mean?(A) Something really important and you must deal with
- 【題組】( ) Which is true?(A) The traveler took the road because it was lessdangerous than the other
- 若a的相反數為5,-7的絕對值為b,則a+b=?(A) 12(B) 2 (C) -12 (D) -2
- 在數線上,A(15)、B(-21)、C(27)、D(13),則 和 何者最長?(A) (B) (C) (D)