aiszyns7ilmajorda3na aiszyns7ilmajorda3na

08-05-2016
Mathematics

contestada

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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08-05-2016

Let's call the base a and the height h
a.h/2 = 20
a.h = 40
2/5h.h = 40 (because a = 40%h)
h^2 = 100
h = 10
a = 4

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canyonmorlan canyonmorlan

27-12-2018

Answer:

10cm

Step-by-step explanation:

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