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20-10-2017
Mathematics

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The length of the base of a triangle is twice its height. if the area of the triangle is 100 square kilometers, find the height.

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zenton222 zenton222

20-10-2017

10km

a=1/2b·h

If h=x
b=2x

a=1/2(2x)·x
a=x²
100=x²
x=10
h=x=10

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