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Natalija [7]
3 years ago
9

how do I find the area of an equilateral triangle given the perimeter of 60 and the height of 17.3 cm?

Mathematics
1 answer:
guajiro [1.7K]3 years ago
3 0
If perimeter is 60 so the side is 60 ÷ 3 = 20

Now we can apply the area formula for triangles;

A=\frac{1}{2}.b.h\\
\\
A=\frac{1}{2}.20.17.3=10.17.3=173 \ cm^2
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