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9 Visualising Solid Shapes

Learning Objectives
After studying this chapter, students will be able to... Scan to learn
 interpret views of 3-D shapes
 describe mapping of space around us
 identify polyhedrons
 define faces, edges and vertices of polyhedrons and use Euler’s formula.

get ready!

Shivansh has invited his friends on his birthday party.

No, this cake is of This cake looks like a
hexagonal shape.
Wow! It’s a nice hexagonal prism.
cake. Its shape is
rectangular.

All of you are right. Your observations are
different because you are viewing it from different
angles. As Roma views from the side, she finds
it rectangular, while Soma who views it from the
top, finds it hexagonal. But the actual shape is
hexagonal.

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