can you help me with math please.

Question

An isosceles triangle has a perimeter of 2 cm. Find a function that models its area A in terms of the length of its base b.

Answer 1

Each of the equal sides are (2 - b) / 2. The altitude is (√3/2)(2 - b)/2.

The Area = (0.5)(b)(√3)(0.5)(b - 2)(0.5)