Question

Frances grows plants in a container.
Each of the 5 faces of the container is made of glass.The container is in the shape of a prism.
The cross section of the prism is an isosceles triangle with height 40 cm.
BC=60cm
AB=AC=50cm
CP=80cm
Work out the total area of glass needed to make the container.

Answer 1

The total area of glass needed to make the container is 15200 cm²

Prism

A prism is a three dimensional shape with parallel faces and other parallelogram faces.

From the diagram:

Area of triangle = (1/2) * 60 * 40 = 1200 cm²

Surface area of prism = 2(1000) + (2 * 80 * 50) + (80 * 60) = 15200 cm²

The total area of glass needed to make the container is 15200 cm²

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