Question

A piece of wire is bent into the shape of an isosceles triangle. The base angles are each 48 degree and the perpendicular height to the base is 6 cm. Calculate the length of the wire.

Answer 1

If the base is b, then

(b/2)/6 = tan 48°
Then each of the two equal sides s is
6/s = sin 48°

Now the perimeter is just b+2s

Answer 2

1666

Answer 3

Assistance and way to solve it