Page 131 - ICSE Math 4
P. 131
Exercise 10.1
1. Find the perimeter of the following figures with the help of the given
measurements.
(a) A 4 cm B (b) P
3 cm 3 cm 4 cm 5 cm
D 4 cm C Q R
6 cm
(c) E 3 cm F (d) M 1 cm N
2 cm 2 cm 1 cm
O 3 cm P
J G 3 cm
2 cm
2 cm 2 cm
R Q
I 3 cm H 4 cm
2. Find the perimeter of your pencil box, mathema cs notebook and textbook, and
lunch box with the help of a ruler.
3. Find the perimeter of a triangle whose sides are 6 cm, 3 cm and 5 cm.
30 cm
4. Look at the given pictures and answer the ques ons.
(a) What is the perimeter of the frame of the pain ng
18 cm
given alongside?
(b) The playground near Raju’s house
200 m
is shown alongside. If Raju runs
around the ground once, fi nd the 140 m 140 m
distance covered by him.
200 m
Area
Area is the surface or region enclosed within a closed boundary by a plane fi gure.
Look at the fi gures shown below.
The shaded part in the fi gures represent the area of the given fi gures.
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