Question

1. find the perimeter of the following
a . rectangle whose l= 5 cm and b = 4 cm.
b . square whose side = 15 cm.
c . A regular hexagon , side = 5 cm
d . Equilateral triangle , side = 5 cm​

Answer 1

Step-by-step explanation:

area of rectangle = l×b

=5×4=20

@of square = side x 4=15×4=60