Question

The perimeter of a square is 80 m. What is the length of each side of the square?
(b) The perimeter of a rectangular card is 400 mm and its length is 6 cm. What is its breadt!
5. This rectangular block of land is to be enclosed with fencing panels 2.6 m long. How​

Answer 1

Step-by-step explanation:

perimeter=4xs

80=4×s

80/4=s

s=20

(b)400mm=40cm

p=2(l+b)

40=2(6+b)

40=12+2b

40-12=2b

28=2b

b=14cm