Page 93 - Mathematics_Std_4

Exercise 3

1. Find the perimeter of each of the following triangles:

FOR ONLINE READING ONLY
(a) (b)

5 m
33 cm 33 cm 3 m

4 m

27 cm

(c) (d)

34 m 32 m
54 cm 54 cm

34 m

54 cm

2. Find the perimeter of a triangle whose sides are 26 m,

24 m and 10 m.

3. A triangle has sides of lengths; 84 cm, 85 cm and 13 cm.
Find its perimeter.

Word problems involving perimeter

Word problems involving perimeters are mathematical questions
written in one or more sentence. The concept of perimeter is used

to solve such real-life problems.

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