Answer:

Step-by-step explanation:
Perimeter of the pentagon = 20.5 cm
Length of 4 sides = 
Length of the other side = 2.1 cm
Perimeter of the pentagon will be

The value of
is
.
The 2nd option is the answer :)!
Answer:
1/4
Step-by-step explanation:
5/5 - 3/5 = 2/5
4x = 5/5 = 1
x = 1/4 (= 0.25)
2 + 2 = 4
4 is the answer :)