# Yahoo奇摩 網頁搜尋

1. ### Maths problem: how to do (a), thanks?

(a) Let n be the number of sides of the polygon. Then angle sum of interior ... is, the polygon is a pentagon with 5 sides . (b) The smallest interior angle is...

分類：科學及數學 > 數學 2020年09月13日

2. ### Maths problem: how to do, thanks.?

...m & n by comparing coeff. of x² & x terms on both sides , as follows :- Comparing coefficients of x² ...

分類：科學及數學 > 數學 2020年08月01日

3. ### Maths problem, how to do (b), thanks?

... ⇔ BE² + EC² = AC × DC Here the left-hand side is actually BC² by Pythagoras theorem. Therefore...

分類：科學及數學 > 數學 2021年01月07日

4. ### Maths problem: how to do, thanks?

...triangle inequality. "For a triangle, the sum of the lengths of two sides must be greater than the length of the remaining side ." (...

分類：科學及數學 > 數學 2020年11月09日

5. ### Define 和 Identify 有什麼分別？

...acidic. eg. a) We DEFINE “a square” as a quadrilateral with 4 equal sides and 4 right angles. b) We IDENTIFY a square by : i) ...

6. ### Maths problem, hiw to do.thanks?

...alt. ∠s, BD//EG ) ∴ △ACD ≅ △CFG ...... ( ratio of 2 sides , inc. ∠ ) ∴ AD/CG = 1/2 ...... ( corr sides , ~ △s )    AD...

分類：科學及數學 > 數學 2020年06月07日

7. ### Maths problem: how to do, thanks?

... ∠ABE =  ∠ACD ...... ( given ) AB = AC ...... ( sides opp. eq. ∠s ) ∴ ΔABE ≅ ΔACD ...... ( SAS...

分類：科學及數學 > 數學 2020年08月08日

8. ### 數學功課求解!!!!?

... ∴ BCFE is a parallelogram. EF = BC = 40 ...... ( opp. sides of // gram. ) Let G be the mid-pt of DF. ∵ ΔEFG...

分類：科學及數學 > 數學 2020年08月05日

9. ### expected value(find minimum entrance fee of the game)*急需?

... one number from 1, 2, 3 or 4 and rolls three fair 4- sided dice. If the chosen number appears on all...

分類：科學及數學 > 數學 2020年06月09日

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