Thunderstorm

The height of the pole before the storm is 10 m. After a storm when they come to check it they see that on the ground from the pole blows part of the column. Distance from the pole is 3 meters. At how high was the pole broken?

(In fact, a rectangular triangle was created. .. . 10-x, 3 and hypotenuse how much is x).

Correct result:

x =  4.55 m

Solution:

c2=x2+32 x+c=10 (10x)2=x2+32 20x=91 x=91/20=4.55 =9120 m=4.55 m

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