Finding the Volume of Triangular Prisms Maths Miss

Finding the Volume of Triangular Prisms Maths Miss Davies 1

Finding the Volume of Triangular Prisms 1. Calculate the volume of the 2. Tom and Lisa triangular prisms. are finding the a) b) triangular prism. 8 cm 7 cm volume of the 5 cm 12 cm c) 20 m 9 cm Their working out is shown. d) 12. 5 mm 9 mm 15 m 8. 5 mm 12 m 2 3. 2 cm 15 mm Who is correct? 10 cm

Finding the Volume of Triangular Prisms 3. The triangular prism and cuboid 4. The triangular prism and cube have the same volume. Find the length x. 7. 5 cm 9 cm 8 cm 4 cm 5 cm 9 cm 27 cm 5. The dimensions of a chocolate bar are shown below. 5 cm 30 cm Chocolate has the density 1. 3 g/cm 3. What is the mass of the bar? 3

Answers 4

Finding the Volume of Triangular Prisms 1. Calculate the volume of the 2. Tom and Lisa triangular prisms. are finding the a) 8 cm 140 cm 3 7 cm c) 20 m 1050 m 3 b) volume of the triangular prism. 5 cm 12 cm 573. 75 mm 3 9 cm 3. 2 cm 10 cm Their working out is shown. d) 9 mm 15 m 8. 5 mm 12 m 5 270 cm 3 15 mm Who is correct? They are both correct – both calculations give 24 cm 3 as an answer.

Finding the Volume of Triangular Prisms 3. The triangular prism and cuboid 4. The triangular prism and cube have the same volume. Find the length x. 7. 5 cm 9 cm 4 cm 9 cm 5 cm 8 cm x = 5 cm 9 cm 27 cm x = 9 cm 5. The dimensions of a chocolate bar are shown below. 585 g 5 cm 30 cm Chocolate has the density 1. 3 g/cm 3. What is the mass of the bar? 6