a triangle has an area of 50cm its base is four times the height what is the height?

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02-03-2015
Mathematics

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a triangle has an area of 50cm its base is four times the height what is the height?

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apologiabiology apologiabiology · Answer 1 · 2015-03-02T23:01:58+01:00

apologiabiology apologiabiology

02-03-2015

so area=1/2 base times height
50=1/2 base times height
multiply both sides by 2
100=base times height
base=4height
100=4height times height
100=4height^2
divide 4
25=height^2
squarer root
5=height

subisute
base=4(5)
base=20

height=5

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