Perimeter Rectangle
Perimeter Square
Area Rectangle
Area Triangle
100
L = 2 cm W = 4 cm
P = 12 cm
100
s = 2 m
P = 8 m
100
L = 3 km W = 4 km
A = 12 km2
100
b = 4 in h = 5 in
A = 10 in2
200
L = 8 in W = 11 in
P = 38 cm
200
s = 6 m
s = 24 m
200
L = 8 mm W = 7 mm
A = 56 mm2
200
b = 13 m h = 2 m
A = 13 m2
300
L = 27 km W = 35 km
P = 124 km
300
s = 18 cm
P = 72 cm
300
How is the area of a triangle related to the area of a rectangle?
Cut the rectangle diagonally.
300
Area = 32 m2 Base = 8 m
Height = 8 m
400
L = 41 mm W = 59 mm
P = 200 mm
400
P = 84 in
s = 21 in
400
A = 126 mm2 W = 14 mm
L = 9 mm
400
Area = 196 cm2 Base = 14 cm
Height = 28 cm
500
P = 296 km L = 111 km
W = 37 km
500
P = 156 dm
s = 39 dm
500
L = 6 cm W = 5 cm If I double the sides, what's the ratio of the new area to the old area?
4:1
500
The base of the triangle is 6 km. The height of the triangle is also 5 km. If I triple the base and double the height, what is the ratio of the area of the new triangle to the area of the old triangle?
6:1
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