Surface Area of Prisms

Front

What is the formula to find the area of a rectangle?

Back

Length X Width

Front

What is the total surface area of a rectangular prism?

Back

The total surface area is the sum of the areas of all six faces.

Front

How do you calculate the surface area of a cylinder?

Back

Surface Area = 2πr(h + r), where r is the radius and h is the height.

Front

What is the surface area of a cube?

Back

Surface Area = 6a², where a is the length of a side.

Front

What is the importance of finding surface area in real life?

Back

It helps in determining how much material is needed to cover an object.

Front

If a rectangular prism has a length of 5 cm, width of 3 cm, and height of 4 cm, what is its total surface area?

Back

Total Surface Area = 2(5*3 + 5*4 + 3*4) = 94 cm².

Front

What is the surface area of a triangular prism?

Back

Surface Area = Base Area + Lateral Area.

Front

What is lateral surface area?

Back

The area of the sides of a 3D shape, excluding the top and bottom.

Front

How do you find the area of a triangle?

Back

Area = (Base X Height) / 2.

Front

What is the surface area of a sphere?

Back

Surface Area = 4πr², where r is the radius.