Question

Find the area of an equilateral triangle with a perimeter of 24in.

Answer 1

Explanation:

`p=24,\ b=(p)/(3)=8\\ \\ h=√(64-16),\ h=√(48)\\ \\ A=(bh)/(2)\\ \\ A=4√(48)in^2\\ \\ A=16√(3)in^2\\ \\ A\approx 27.7in^2`