問題詳情
已知△ABC與△DEF中, ,則下列敘述何者不一定正確?
(A)若∠C=∠F,則△ABC≅ △DEF
(B)若∠A=∠D,則△ABC≅ △DEF
(C)若∠B=∠E=90°,則△ABC ≅△DEF
(D)若 ,則△ABC≅ △DEF。
參考答案
無參考答案
內容推薦
- 四邊形皆有外接圓(A)O(B)X
- 任一條弦的垂直平分線必過圓心(A)O(B)X
- 若圓內的兩弦平行,將其連接成四邊形,則四邊形必為等腰梯形(A)O(B)X
- 若兩圓有內公切線,則此內公切線段長有可能會等於連心線段長(A)O(B)X
- 如附圖,在圓O中,已知 。若要證明△AOB ≅ △COD,則可利用哪一種全等性質?(A) SSS (B) AAS (C) ASA (D) RHS。
- 下列敘述何者錯誤?(A)若兩個三角形的三邊對應相等,則這兩個三角形必定全等 (B)SSA並不是三角形的全等性質(C)RHS全等性質只有可能出現在兩個直角三角形裡 (D)若兩個直角三角形全等,
- 已知△ABC ≅△DEF,其中∠B=∠E,∠C=∠F,若 =2x-3y, =-x-4y, =17, =8,則x+y=?(A)-5 (B)-2 (C) -1 (D) 1。
- 如附圖,六邊形ABCDEF和五邊形CGHID分別為正六邊形和正五邊形,則∠BCG=? (A)18° (B)17° (C)15° (D)12°。
- 如附圖,若∠1=60°,∠A=55°,∠B=40°,則∠D=? (A)22° (B)25° (C)27° (D)29°。
- 如附圖,已知∠1=115°、∠2=75°、∠3=100°、∠4=20°、∠5=55°,求∠6=? (A)125° (B)135° (C)145° (D)155°。
內容推薦
- 如圖,平面上圓O1及圓O2的半徑各為5公分及14公分,且 公分,則下列哪一個圖可以表示圓O1與圓O2的位置關係? (A) (B) (C) (D)
- 如附圖, ,則 x+y=? (A) (B) (C) 36 (D) 32。
- Let’s _____ eat here. The chairs are dirty. (A) not (B) don’t (C) no (D) doesn’t
- Linda, _____ a good student, please. (A) am (B) are (C) is (D) be
- Don’t touch _____, please. (A) me (B) I (C) my (D) we
- Let’s _____ to the snack bar and _____ some snacks.(A) go ; eat (B) to go ; to eat (C) going ; ea
- Amy is ____ a birthday card in her bedroom. (A) make (B) making (C) to make (D) makes
- Look! Mom and Dad ________ a turkey in the kitchen.(A) roasting (B) is roasting (C) are roasting
- Everyone _____ a good time at the Christmas party tonight.(A) are having (B) having (C) is having
- A: What are they _____? B: They are drinking. (A) drink (B) drinking (C) do (D) doing
- The baby turkey is ______, “Oh no, not me! I’m small and thin.”(A) singing (B) dancing (C) study
- A: ______ is Tony doing ? B: He’s hanging the bells on the tree.(A) Who (B) What (C) Where (D) H
- My son is _____ a letter, and my daughter is ______ her homework.(A) doing ; doing (B) writing ;
- Billy is ______ and ______ the guitar.(A) sing ; play (B) sing ; playing (C) singing ; playing (
- A : ______ a dinosaur behind you! B: Let’s run now!(A) It is (B) It isn’t (C) There isn’t (D) Th
- A: Is it ten to ten? B: Yes, it’s _____. (A) ten ten (B) nine ten (C) nine fifty (D) ten nine
- 【題組】(A) at (B) on (C) for (D) from
- 【題組】(A) How (B) What (C) Who (D) Where
- 【題組】(A) How (B) What (C) Who (D) Where
- 【題組】(A) X (B) on (C) at (D) for
- 【題組】(A) going (B) go (C) to go (D) goes
- 【題組】(A) at (B) on (C) for (D) from
- 【題組】(A) at (B) on (C) for (D) from
- 【題組】(A) How old (B) What day(C) What time (D) How about
- 【題組】(A) on (B) at (C) for (D) X