# math

posted by .

Determine the minimum amount of packaging needed to completely cover a triangular prism toblerone bar with these dimensions: length 22.5cm; triangular face gas edges 4.5cm and height 4.0cm. Express the surface area to the nearest square centimeter.

• math -

has not gas

• math -

area of triangular base: 1/2 (4.5)(4) = 9
area of lateral (rectangular) face: 22.5*4.5 = 101.25

total area = 2 bases + 3 faces = 2*9 + 3*101.25 = 321.75

• math -

Thanks so much steve

• math -

the answer to the problem is 408 square inches

## Similar Questions

1. ### math

What si the volume and surface area of a triangular prism with the dimensions of a 2.5 base, 2.5 height, and 7 length
2. ### geometry

Find the lateral area of a right triangular prism with an equilateralbase length of 5cm and height of 10cm.
3. ### Geometry

A right triangular prism has volume equal to 288 cm^3 . The height of the prism is 3 cm. One of the bases of the triangular face (not the hypotenuse) is equal to 12 cm, determine the length of the hypotenuse (in cm) of the triangular …
4. ### Geometry

A right triangular prism has volume equal to 288 cm^3 . The height of the prism is 3 cm. One of the bases of the triangular face (not the hypotenuse) is equal to 12 cm, determine the length of the hypotenuse (in cm) of the triangular …
5. ### Geometry

A right triangular prism has volume equal to 288 cm^3 . The height of the prism is 3 cm. One of the bases of the triangular face (not the hypotenuse) is equal to 12 cm, determine the length of the hypotenuse (in cm) of the triangular …
6. ### math 7th

a right triangular prism has a length of 11 units.Its right triangle face has legs of 3 and 4 and a hypotenuse of 5. what is the surface area of the right triangular prism.
7. ### math

check my answers pls 1. which solid has two bases that are triangles and three lateral surfaces that are rectangles a. triangular pyramid b. rectangular prism c. triangular prism *** d. rectangular pyramid 2. a solid with two parallel …
8. ### maths

the base of a given triangular prism is a right angled triangle with AB=5cm,AC=12cm and the height of the prism =20cm. Angle A=90 degrees so calculate the surface area of the prism
9. ### Math

The volume of a triangular prism is 132 cubic inches . The height of the prism is 11 inches. What are the dimensions and base length of the triangular surface
10. ### Math

Clip company produce different sizes of chocolate bars that are package in equilateral triangular prism here is the 100-g of chocolate bar Height:3.1cm Triangle side: 3.5cm Length: 21cm Calculate the surface area and volume

More Similar Questions