Re: [計量] 問幾題數學
※ 引述《transpotting (transpotting)》之銘言：
: 10.There was a ladder given. The ladder is of length 5 and it is displaced
: i.e slanted downwards such that it falls 'x'mts in height and its horizontal
: length increases by 'y'mts.
: Col A: x
: Col B: y
◢
5 ◢█x
◢██
y
那您說這樣的情況X Y哪個長？
: 我想選D因為應該是不確定，但是想問是不是漏掉什麼關係在裡面所以比不出大小
: 9. Given a square which is inscribed in another square & length of the side
: of larger square is 4 and smaller square is 2. If four edges of the smaller
: square is joined with four edges of larger square by a line ( to say
: exactly.... a line from the midpoint of larger square side(edge) is joined to
: the midpoint of smaller square side... similarly the other sides the two
: squares are also joined) by this..... 8 trapeziums are formed (2 trapezium
: per side). Find the perimeter of any one trapezium?
: A. 4+(1.414)
: B. 4+2(1.414)
: C. 6+(1.414)
: D. 6+2(1.414)
: E. 6+4(1.414)
: 看不懂...
: 感謝強者回答
看到答案之後，只有這個圖形才有可能
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