Question

if a = 2 cm and r =3.4 cm , find the area of the regular pentagon

Answer 1

\[Area = \frac{1}{2} \times r \times Perimeter\]

Answer 2

Here:

\[Perimeter = 5a = 5 \times 2 = 10\]

\(r = 3.4\)

Now plug in the values and find Area..