Page 204 - ICSE Math 4

28. Find the area covered by the given fi gures where each square has an area of 1 sq. cm.

(a) (b)

29. Find the perimeter of the following fi gures.

(a) A 2 cm B (b) M 1 cm N

3 cm
3 cm
4 cm 5 cm
S T
F
E 1 cm
1 cm 1 cm
1 cm 1 cm
D C R Q 1 cm
3 cm
P O
1 cm
(c) E 4 cm F (d) 1 cm
J K
1 cm 1 cm
H 1 cm 1 cm
2 cm G L M P Q
3 cm 1 cm 1 cm 1 cm
1 cm J 3 cm 1 cm 1 cm 1 cm
I N O R S
1 cm 1 cm
L 3 cm K U T
5 cm
30. Find the area of shaded por on, where each square measures 2 sq. cm.

(a) (b)

31. A barrel has a capacity of 6 L 700 mL and is full of water. Deepika takes 2 L 700 mL of
water from the barrel and adds 1 L 800 mL of water to it. How much water is le in the
barrel?
32. Zehra bought 7 packets of rice. Each packet weighs 3 kg 600 g. What is the total weight of
rice bought by Zehra?
33. A tailor requires 60 m cloth for making 4 table cloths. How much cloth is required to make
one tablecloth?
34. Aishwariya started playing piano at 6:25 p.m. and fi nished at 7:30 p.m. For how long did she
play the piano?

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