Question

1. Determine the perimeter of the following figures with the given dimensions.
6 cm
Exercise 11.1
(b)
6 cm
5 cm
5 cm
(c)
0 cm
6 cm
13 cm
13 cm
6 cm
6 cm
13 cm
(d)
(e)
9 m
11 cm
9 cm
8 m
6 m
8 m
8 m
7.2 m
10 cm
6 m
9 m
8 m
7.2 m
2 cm
1 cm
8 cm
(h)
1 cm
6 cm
9 cm
6 cm 6 cm
7 cm
9 cm
3 cm
6 cm 6 cm
12 cm
12 cm
1 cm
4 cm
1 cm
9 cm
5 cm 5 cm
1 cm
1 cm
9 cm
1 cm
(0)
(k)
11.5 cm 1 cm2 cm
5 cm
2 cm
4 cm
3 cm
3 cm
5 cm
1 cm 1 cm
6 cm
2 cm
4 cm
2 cm
1 cm 2 cm
4 cm
1 cm 3 cm
V1.5 cm
2 cm
5 cm
5 cm
7 cm
1 cm
2. Find the perimeter of a rectangle whose dimensions are given below.
(a) 1 = 3 cm, b = 7 cm
(b) 1 = 8 cm, b = 5 cm
(c) 1 = 12.68 m, b = 6.23 m
(d) 1 = 13.5 cm, b = 14 cm
(e) 1 = 36 cm, b = 36 cm
3. Determine the side of a regular polygon with the given perimeter.
(a) 24 cm; Hexagon
(b) 66 cm; Equilateral triangle
(c) 18.9 cm, Nonagon
(d) 1000 cm, Decagon
4. The perimeter of a rectangle is 60 cm. If the length of the rectangle is 20 cm, then find its width.
5. The lid of a rectangular box of sides 30 cm by 10 cm is stuck all around with the tape. Find the length
of the tape used
6. Determine the cost of fencing a square park with side 230 m at the rate of 15 per metre.
7. Determine the perimeter of the top of a table if the dimensions of the table top are 3 m 75 cm by
1 m 50 cm
1
m. He lays them in the form of a square.
8. Kuldeep buys 16 square paving slabs, each of side of
2.
Find the perimeter of his arrangement.
20​

Answer 1

Step-by-step explanation:

last find perimeter 20×20=40

Answer 2

Answer:

20x

Step-by-step explanation:

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