英數(暑期作業)

我唔識例式….=3=
1.An octopus card has lenght 8.5 cm and breadrth 5.4 cm.Suppose the card is rectangular in shape,find its area.

2.Forenec has apiece of sticker which is trapezoidal.the shorter base of the sticker is 1.5 cm,the longer base is 3 cm and the height is 4 cm.what is the area of the sticker?

3.A notebook computer has lenght 30 cm ,breadth 25 cm and thickness 2.5 cm.suppose this computer is a cuboid,find its volume.

Top 2 Answers

A few days ago

Ann

你好似打錯左好多字，第1題打錯左長(length)同闊(breadth)，其他o既題目都有錯字，搞到我睇唔明。我憑其他字o既意思去分析。
1.8.5cmX5.4cm=45.9cm2
2.1.5cmX3xm=4.5cm2
3.30cmX25cmX2.cm=1875cm3

2007-08-12 16:22:20 補充：
2.(1.5cm 3cm)X4cm/2=9cm2

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英數(暑期作業)

英數(暑期作業)

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