Page 175 - Touchpad Mathematics_Ver1.0_C4

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\ 10-Nov-2025 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

d. e. 12 cm f.
60 cm 60 cm
8 cm 12 cm 8 cm

60 cm 12 cm

_________ cm _________ cm _________ cm

4. Akhil drew a rectangle in his notebook. 5. The perimeter of a square-shaped pool
The perimeter of the rectangle was is 100 m. What are the side lengths of
34 cm. Its length is 12 cm. How long are the pool?
the other sides? ?

? ?

?

6. Calculate the perimeter of:
a. a square of side 6 cm.
b. a rectangle with length 5 cm and breadth 3 cm.

c. a regular pentagon with each side of 4 cm.
d. a regular hexagon with each side of 7 cm.
7. Anu wants to put lace around her square handkerchief of side 11 cm. Find the length
of the lace she needs to buy.

8. Hariom has to put a fence around his rectangular field of length
12 m and breadth 10 m. What is the length of the fence he needs?
18 m
9. A triangular park is bounded by three roads. The authority wants 15 m
to fence it from each side of the road. Find the length of the fence
required for the park.
15 m

AreA

Area is the space covered by a figure or an
object.

Look at the two drawings of Mahatma
Gandhi made by Nupur (Picture A) and
Nikhil (Picture B). Which drawing do you
think covers more area?

Let us find out.

173
Perimeter and Area