Question

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

Answer 1

If perimeter is 60 so the side is 60 ÷ 3 = 20

Now we can apply the area formula for triangles;

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