Chapter 10: Mensuration

Questions

1. Perimeter of square with side $9$ cm.
2. Area of rectangle $l=15,\; b=6$.
3. A wire in the shape of an equilateral triangle of side $10$ is bent into a square. Side of square?
4. Perimeter of a square of side $7$ cm.
5. Area of a rectangle $12$ cm × $5$ cm.
6. Perimeter of a rectangle $l = 10, b = 4$.
7. Area of a square of side $8$ cm.
8. Convert $2$ m$^2$ to cm$^2$.
9. Perimeter of an equilateral triangle of side $6$ cm.
10. Area of a right triangle with legs $6$ and $8$.

Extra Practice (Optional)

• Area of a $5\times 8$ rectangle.
• Perimeter of a rectangle when $l=b=6$ (a square)?
• Cost of fencing a $25$m$\times 12$m field at $\rupee 5$/m.