Question

Regular decagon is l express the perimeter of the decagon using l

Answer 1

Answer:

Regular Decagon have 10 sides and 9 vertex .

we can express the perimeter of the Decagon using the formula :- side(10)

for example: let's take a Decagon of side 2 cm.

then it's Perimeter will be 2×10

= 20 cm

Answer 2

Answer:

final answer 20cm

the perimeter will be 20 cm