Surface Area and Volume Concepts

The video tutorial teaches students how to calculate the surface area of different prisms, including cubes, rectangular prisms, and triangular prisms. It explains the concept of surface area as the sum of the areas of the bases and lateral faces of a solid figure. The tutorial provides step-by-step examples for each type of prism, demonstrating how to unfold the figures to find their nets and calculate their surface areas using specific formulas.

What is the surface area of a cube with side length 3 cm?

• 81 cm²

• 36 cm²

• 54 cm²

• 27 cm²

How do you calculate the surface area of a cube?

• 6s²

• 7s²

• 5s²

• 4s²

What is the surface area of a rectangular prism with dimensions 4 in x 10 in x 2 in?

• 120 in²

• 144 in²

• 160 in²

• 136 in²

Which formula is used to find the surface area of a rectangular prism?

• 2lw + 2lh + 2wh

• lw + lh + wh

• lw + 2lh + 2wh

• 2lw + lh + wh

What is the surface area of a rectangular prism with dimensions 11 m x 8 m x 5 m?

• 380 m²

• 350 m²

• 400 m²

• 366 m²

How do you calculate the surface area of a triangular prism?

• 2(Base area) + 2(Lateral area)

• Base area + 2(Lateral area)

• 2(Base area) + Lateral area

• Base area + Lateral area

What is the surface area of a triangular prism with base 1 m, height 2 m, and length 6 m?

• 44 m²

• 48 m²

• 50 m²

• 40 m²

Which of the following is a base of a triangular prism?

• Circle

• Square

• Rectangle

• Triangle

What is the perimeter of the triangle in a triangular prism with sides 3 m, 1 m, and 3 m?

• 7 m

• 8 m

• 9 m

• 6 m

What is the surface area of a triangular prism with a perimeter of 14 m and base height of 4 m?

• 96 m²

• 98 m²

• 100 m²

• 92 m²