Asked by Tresa
If a 30-meter pine tree casts a shadow of 30 meter, how far is the tip of the shadow from top of the tree?
Answers
Answered by
Reiny
Just use Pythagoras ...
x^2 = 30^2+30^2 = 1800
x = √1800 = 30√2
or
the 30-3--x triangle is similar to the 1-1-√2 right-angled triangle
so x = 30√2
x^2 = 30^2+30^2 = 1800
x = √1800 = 30√2
or
the 30-3--x triangle is similar to the 1-1-√2 right-angled triangle
so x = 30√2
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