Alka Tuli and Rajesh Hassija Solutions for Chapter: Visualising Solid Shapes, Exercise 7: HOTS

Which basic parameter makes a $2D$ shape different from a $3D$ one? Explain with a figure.

Draw a net of a cuboid having the same breadth and height, but length should be twice of the breadth.

Draw the net of a triangular pyramid with base as an equilateral triangle of side $3 \mathrm{cm}$ and slant edges $5 \mathrm{cm}$.