selection menu :

1…Area of a Circle ----(3.14 * (r*2))

2.Area of a Trapezoid ---- (height * (base1+base2) / 2)

3.Volume of a Sphere ---- (.75 * 3.14 *(radius*2))

4.Volume of a Cylinder ---- (3.14 * (radius * 2) + height

how would i make this using methods and switch statemnts.....

i've done it in if and else and i cant do it in the above said topic :c

help pleaseee....