KatCoda KatCoda

22-10-2016
Mathematics

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A triangle has an area of 20 cm2. If its base is 40% of its height, what is its height to the nearest tenth of a centimeter?

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Аноним Аноним

22-10-2016

i hope this

height =h

base=h40%=2h/5

area=height ×base/2

20=h.2h/5/2

h^2=20.10

h^2=2.10.10

h=10 square root of 2

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