Topic: Perimeter
9cm
Calculate the perimeter of the following shapes:
7cm
13cm
14cm
2cm
11cm
14cm
8cm
11cm
7cm
16cm
11cm
9cm
11cm
19cm
41cm
13cm
19cm
1cm 3.7cm
17.5cm
84cm
31cm
30cm
41cm
4.3cm
78cm
30cm
3.7cm
Reasoning
17.5cm 1cm
How long is the perimeter of:
a) an equilateral triangle with sides of 8.4cm f) A square has a perimeter of 34.4cm.
How long is one of its sides?
b) a square with sides 6.3cm
g) A regular pentagon has a perimeter of
c) a regular pentagon with sides 9.7cm
42.5cm. How long is one of its sides?
d) a regular octagon with sides of 15.4cm
h) A regular octagon has a perimeter of
e) a regular decagon with sides 6.75cm
108cm. How long is one of its sides?
A children’s playground is edged with kerbstones
which are each half a metre long and which cost
£1.35 each. Calculate:
a) the perimeter of the playground
b) the number of kerbstones required
c) the cost of the kerbstones required.
RAG
www.accessmaths.co.uk
Topic: Perimeter
9cm
Calculate the perimeter of the following shapes:
7cm
13cm
14cm
2cm
11cm
14cm
8cm
11cm
7cm
16cm
11cm
9cm
11cm
19cm
41cm
13cm
19cm
1cm 3.7cm
17.5cm
84cm
31cm
30cm
41cm
4.3cm
78cm
30cm
3.7cm
Reasoning
17.5cm 1cm
How long is the perimeter of:
a) an equilateral triangle with sides of 8.4cm f) A square has a perimeter of 34.4cm.
How long is one of its sides?
b) a square with sides 6.3cm
g) A regular pentagon has a perimeter of
c) a regular pentagon with sides 9.7cm
42.5cm. How long is one of its sides?
d) a regular octagon with sides of 15.4cm
h) A regular octagon has a perimeter of
e) a regular decagon with sides 6.75cm
108cm. How long is one of its sides?
A children’s playground is edged with kerbstones
which are each half a metre long and which cost
£1.35 each. Calculate:
a) the perimeter of the playground
b) the number of kerbstones required
c) the cost of the kerbstones required.
RAG
www.accessmaths.co.uk