Answers

2014-11-13T23:03:26+08:00
Let 'x' be the height of the tree
5m:4m(shadow) = x:12m(shadow)
 \frac{5}{4} = \frac{x}{12}
x =  \frac{5(12)}{4}
x = 15m
Therefore the height of the tree is 15 meters.
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2014-11-14T18:35:33+08:00
X : 12 = 5 : 4
12 * 5 = 60
60 / 4 = 15
x= 15

The tree is 15 meter tall.
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