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How to find the exact area of this triangle.
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Apr 24, 2018
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How to find the exact area of this triangle.
Mathematics
high-school
Yermy
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h^2=12^2-(20-12)^2
h^2=144-64
h^2=80
h=√80
A=bh/2
A=20√(80)/2
A=10√80
A=40√5 cm^2
A≈89.44 cm^2 (to the nearest one-hundredth of a cm^2)
Morten Grum
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Apr 29, 2018
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Morten Grum
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