6
10 - Perimeter and Area: Worksheet-10.2
Name:
Date:
1. To find the cost of painting the walls of a room, we need its
[a] area
[b] perimeter
[c] both [a] and [b]
[d] none of these
2. Perimeter of regular pentagon is 45 metres. Its side will be
[a] 15 m
[b] 9 m
[d] 9 m
[d] 10 m
3. The cost of fencing a square park of side 250 m at the rate of `20 per metre is
[a] `1000[b] `2000[c] `20,000[d] `10,000
4. Which has least area, a square of side 4 cm or a rectangle of side 4 cm by 3 cm?
[a] Rectangle
[b] Square
[c] Both are equal [d] None of these
5. Five square boxes of side 20 cm are cut off of a piece of paper sheet 4.2 m × 3.0 m. What is the area of the
remaining part of the sheet?
6. How many tiles, each measuring 4 m by 2.5 m are required to cover a rectangular room of length 45 m
and breadth 22 m? Find the cost of tiles at `35 per tile.
7. The length of a piece of wire is 78 m. If the wire is used to make a regular pentagon and a regular
hexagon, what is the difference in the length of their sides?
8. The perimeter of a rectangular field is 320 m. If the length and breadth are in the ratio 5 : 3, find the
length and breadth of the field.
9. The perimeter of a triangle is 75 cm. Two of the sides are 20 cm and 30 cm. Find the third side of the
triangle.
10.Aditi has cut a rectangular sheet of paper of dimension 32 cm × 26 cm as given in the figure. Find the
area of the design.
10 cm
10 cm
Grade:
10 cm
6 cm
6 cm
32 cm
10 cm
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