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SAI International School
CLASS-VII

Mathematics
CHAPTER-11: Area and Perimeter
Home Assessment-5

1) Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m.
Find the length of the lace required and also find its cost if one meter of the lace

costs ₹ 15. (Take π = 3.14)

2) Find the perimeter of the adjoining figure, which is a semicircle including its
diameter.

3) The circumference of a circle is 31.4 cm. Find the radius and the area of the

circle? (Take π = 3.14)
4) Find the circumference of the inner and the outer circles, shown in the adjoining
figure? (Take π = 3.14)

5) The minute hand of a circular clock is 15 cm long. How far does the tip of the

minute hand move in 1 hour. (Take π = 3.14)

Answers:

1) Circumference of the circle = 2πr
= 2 × 3.14 × 0.75

= 4.71 m