Pyth theorem”

👨🏻‍🏫 學術台數學

用戶20125

2008-03-04 3:21 am

Two flagpoles are 7m and 10m tall
If the distance between the tops of two flagpoles is 10m
find the horizontal distance between them

回答 (2)

cheung

2008-03-04 3:38 am

✔ 最佳答案

Let x cm be the horizontal distance between them

x^2+(10-7)^2=10^2
x^2+9=100
x=開方91

the horizontal distance between them is 開方91 cm

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ps2

2008-03-04 3:36 am

10^2+(10-7)^2=distance^2
100+9=distance^2
distance=開方109

參考: 自己

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