Volume of Triangular Prism. Volume of a Triangular Prism Length Volume of a prism = Area x length...
5
Volume of Triangular Prism
-
Upload
clare-weaver -
Category
Documents
-
view
213 -
download
0
Transcript of Volume of Triangular Prism. Volume of a Triangular Prism Length Volume of a prism = Area x length...
Volume of Triangular Prism
Volume of a Triangular Prism
Area
Length
Volume of a prism = Area x length
Area of triangle = ½ x base x height
Area = ½ x 7 x 6= ½ x 42= 21 cm2
2.
15 cm
10 cm
7 cm
1.
6 cm
Area = ½ x 10 x 15= ½ x 150= 75 cm2
THE AREA OF A TRIANGLE
Area = ½ x base x height
base
8 cm
6 cm
7 cm
Area of triangle = ½ x 8 x 6 = ½ x 48 = 24 cm2
Volume = area x length = 24 X 7 = 168 cm3
Example 1
Area of triangle = ½ x 5 x 4 = ½ x 20 = 10 cm2
Volume = area x length = 10 X 6 = 60 cm3 4 cm
6 cm5 cm
Example 2
Area of triangle = ½ x 5 x 4.2 = ½ x 21 = 10.5 m2
Volume = area x length = 10.5 X 6 = 63 m3 420 cm
6 m5 m
Example 3