An Introduction to 2-D Shape – Information Sheet
You are advised to be familiar with the regular versions of these formulae.
An Introduction to 2-D Shape – Very Easy
Answer the questions below. Keep the irrational number  in its form, .
(eg:  × 32 = 9)
1. A square has length 4cm. Calculate its area.
4cm
2. A rectangle has length 3m and width 2m.
Calculate its area.
8cm
3. Calculate the area of the triangle to the left.
6cm
4. A parallelogram has base 8cm and height 5cm.
Calculate its area.
5. A rectangle has length 7cm and width 5cm.
Calculate its area.
6. A right-angled triangle has a base of 10cm and
a height of 5cm. Calculate its area.
𝐴 = 𝑎𝑟𝑒𝑎, 𝑙 = 𝑙𝑒𝑛𝑔𝑡ℎ, 𝑤 = 𝑤𝑖𝑑𝑡ℎ, 𝑏 = 𝑏𝑎𝑠𝑒, ℎ = ℎ𝑒𝑖𝑔ℎ𝑡, 𝑐
= 𝑐𝑖𝑟𝑐𝑢𝑚𝑓𝑒𝑟𝑒𝑛𝑐𝑒, 𝑟 = 𝑟𝑎𝑑𝑖𝑢𝑠,  = 𝑝𝑖
An Introduction to 2-D Shape – Easy
Answer the questions below. Keep the irrational number  in its form, .
(eg:  × 32 = 9)
1. A square has length 12cm. Calculate its area.
An Introduction to 2-D Shape – Medium
1. Draw a parallelogram (with labelling, not accurately) with area 32cm2 and
base 8cm.
What is its height?
2. Look at the shape to the right.
12cm
2. A rectangle has length 4m and width 0.5m.
Calculate its area.
3. A square has area 16cm2. Calculate the length
of one of its sides.
16cm2
The outside edges are made up of a square with
length 5cm. The inside edges are made up of a
square with length 4cm. Calculate the area of the
grey area.
3. Complete the sentence below.
The circle to the right has a _________ of 6cm.
4. This parallelogram has side lengths 6cm
and 2cm. Can we calculate its area?
5. This circle has a radius of 4cm. Calculate its area
in terms of .
4cm
Also, calculate its circumference.
6. A rectangle has area 12cm2 and width 2cm.
Calculate its length.
6cm
Calculate its circumference in terms of .
4. The right-angled triangle to the right has two pieces of
information given. What are they?
32km2
What is its height?
4km
5. A rectangle has length 8cm and width 5cm. A parallelogram has base 9m
and height 4m. Which is larger?
6. Look at the rectangle to the right. Calculate its area
in square metres. (1 kilometre = 1000 metres)
700m
2km
7. Calculate the area of the greyed area of the shape below.
7. A square has length 8cm and a rectangle has length 12cm and width
5cm. Which has the larger area?
2cm
2cm
10cm
6cm
An Introduction to 2-D Shape – Hard
1. Calculate the area of the shape below.
An Introduction to 2-D Shape – Hard
1. Calculate the area of the shape below.
3cm
3cm
3cm
3cm
6cm
6cm
3cm
3cm
3cm
10cm
3cm
10cm
2. A circle has a circumference of 6 cm. Calculate its radius.
2. A circle has a circumference of 6 cm. Calculate its radius.
3. A triangle has area 72cm2 and height 12cm. Calculate the length of its
base.
3. A triangle has area 72cm2 and height 12cm. Calculate the length of its
base.
4. A shape as an edge 6.5cm away from its centre in all directions. What is
this shape?
4. A shape as an edge 6.5cm away from its centre in all directions. What is
this shape?
Calculate its area.
Calculate its area.
5. The shape below has greyed area 87cm2. Calculate the missing length 𝑥.
7cm
4cm
4cm
𝑥 cm 4cm
13cm
5. The shape below has greyed area 87cm2. Calculate the missing length 𝑥.
7cm
4cm
4cm
𝑥 cm 4cm
13cm