Question

Please Say With Method....

1. Find the side of the square whose perimeter is 20 meter.
2. The perimeter of a regular pentgon is 100 cm. How long is its each side ?
3. A piece of string is 30 cm long. What will be the length of each side if the string is used to form :
a) a square
b) an equilateral triangle
c) a regular hexagon

Class 6 NCERT MATHS TEXTBOOK !!!​

Answer 1

Answer:

1.perimeter =20m

perimeter of square = 4×s

20=4s

s=20/4=5m

2.perimeter 100cm

perimeter = 5×s

100=5s

s=100/5=20cm

3.perimeter = 30cm

a. side = perimeter/4

=30/4=7.5cm

b.side=30/3=10cm

c.side=30/6=5cm

Answer 2

Answer:

1.5cm

Step-by-step explanation:

Perimeter=20cm

Side = ?

Perimeter=4a

20 cm= 4a

20 cm/4= 5 cm

Therefore, the side of square is 5 cm.