Area
What is the formula for area?
length x width
What is the formula for perimeter?
(length + width) x 2
OR
length + length + width + width
What symbol do we use when we write area?
cm2/m2/km2
Do all shapes with the same perimeter have the same area?
no
Are they same?
no
What is the area of a square with 1cm length & 1cm width.
1cm2
What is the perimeter of a square with length 1cm and width 1cm?
4cm
What is the area of a rectangle with length 5 cm and width 2cm?
10cm2
What is the perimeter of a rectangle with length 5m and width 2m?
14 m
What is the area and perimeter of a rectangle with a width 2mm and length 7mm?
Area = 14mm2
Perimeter = 18mmWhat is the area of a rectangle with a length of 7 m and a width of 6 m?
42 m2
What is the perimeter of a shape with length 9 cm and width 8 cm?
34cm
What is the possible length and width of a rectangle with an area of 24km2?
24 km & 1 km
12 km & 2 km
OR
6 km & 4 km
OR
3 km & 8 km
What is the length of a rectangle with the width of 6cm and the total perimeter is 18cm.
3cm
A rectangle has a length of 6cm and width of 4cm, what is the perimeter and area?
perimeter = 10 cm
area = 12 cm2
What is the area of a square with the length & width of 8cm?
64 cm2
What is the perimeter of a square with the length 5mm?
20mm
What is the area of a rectangle with a width of 12m and a length of 7cm?
84 cm2
What is the length and width if the perimeter is 28m?
7m & 2m
A square has a length & width of 5cm.
What is the perimeter & area if you double the width & length?
Perimeter = 40cm
Area = 100cm2