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How to find the exact area of this triangle.
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4 votes
How to find the exact area of this triangle.

How to find the exact area of this triangle.-example-1
User Yermy
by
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1 Answer

6 votes
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)
User Morten Grum
by
6.0k points
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