問題詳情
10. 如附圖，已知∠ACB 為圓 O 的圓周角，∠BAD 為圓 O 的弦切角， 
＝100°則下列選項何者錯誤？
(A)∠AOB＝100°
(B)∠C＝50°
(C) ∠BAD＝50°
(D)∠BAO＝30°
參考答案
無參考答案
內容推薦
- 如圖(9)，已知 ，而且∠BAD＝12°， ＝？ (A)6° (B)12° (C)48° (D)24°
- 如附圖，設四邊形 ABCD 為圓 O 的圓外切四邊形，且 ＝4x－1， ＝3x＋2，求 x 的值。 (A)5 (B)7 (C)9 (D)11
- 下列何者為(a-b)2的因式？(A)5a-5b (B)a2+b2 (C) a2+2ab+b2(D)(a+b)(a-b)
- ( )根據以下兩個關係式，求a + b＝? (A) 65 (B) 37 (C) 23 (D) 12
- 如下圖(十九)，小南想要測量樹高 。他用一根竿子直立在距離樹根 B 點 6 公尺處的 C 點，並在的延長線上找到一點 E，使得 A、D、E 三點成一直線。若竿子的高度＝1 公尺， ＝2 公尺
- 若 a＝ ，則 a、b、c 的大小順序為何？ (A) a＞b＞c (B) a＞c＞b (C) b＞c＞a (D) c＞b＞a。
- 如圖， 均為圓 O 的切線，A、B 為切點， 交於 C 點，則下列敘述正確有幾個？ (甲) (乙)△OAP △OBP(丙) (丁) 垂直平分 (戊)△OAC △OBC (己) (A)4
- 已知三次函數f(x)的圖形如右，則下列哪一個函數可能是f(x)？(A) (x-3)x(x-6)(B)x3 (C)-x3 (D)-x(x-3)(x-6) (E)x(x-3)(x-6)
- 已知 (3x - 2)(2x + 4)＝6x2+8x-8 ，試問下列哪一 個式子不是6x2+8x-8的因式？(A)3x - 2(B)2x + 4(C)x + 2(D)x - 2
- 老師請三位同學利用乘法公式做因式分解，以下為三位同學的分解結果 小益：4x2－1＝(4x＋1)(4x－1) 大瑋：9x2＋6x＋1＝(3x＋1)2阿鋒：4x2－12x＋9＝(2x－3)2則下列
內容推薦
- Emotional blackmail is a concept recently developed and receiving increased attention. The #MeToomov
- My brother was ____ with ecstatic happiness when he landed a job offer he had dreamed of.(A)inter
- Most investors minimize risk by diversifying their _____.(A) portfolios (B) reimburses(C) transac
- In the early 20th century the American South was ravaged by pellagra, a nasty disease that produced
- “July and August are off-season months for tourism in southern Baja, so it could be an affordabl
- 【題組】(A) detach (B) approve (C) besiege (D) bawl
- 【題組】(A) calms (B) sets (C) wears (D) turns
- The United State imposed sanctions on countries that had purchased Iranian oil, and Iran’s oil e
- 【題組】(A) Likewise, (B) Furthermore, (C) Therefore, (D) Otherwise,
- 【題組】(A) could have (B) had (C) was (D) having
- ______ many diverse animal forms exist ______ exceptions can be found to almost any definition o
- Pile foundations are costly and normally economic only________ commercial structures on valuable
- 【題組】(A) why (B) what (C) how (D) where
- Only after a great deal of pressure had been ________ the registrar did he agree to give up the
- 【題組】(A) that (B) to (C) by (D) X
- There ________ many efforts to eradicate racism, but very little success _______.(A) had been ;
- 【題組】(A) clutched (B) ravaged (C) erected (D) offset
- 【題組】(A) meet (B) strike (C) suit (D) approve
- The main focus of the study that will be ______ by a multidisciplinary team will be the genes an
- Health Watch, which, initially at least, ______ by pharmaceutical companies, _______ an aggressiv
- If Jolin _______ herself like that while we were away, she ______ from anorexia nervosa today.(A
- Capital punishment was done _______ in Britain nearly half a century ago.(A) over from (B) out f
- Solar Eclipses A total solar eclipse is perhaps one of the most dramatic astronomical events we
- 【題組】During a solar eclipse, the shadow of_________falls on_________.(A) Earth; the Sun (B) Earth
- （ ）下列哪一選項中的兩數互質？ (A)(B)(C)(D)51