Question

rectal 2. Find the perimeter of a triangle of sides 7cm, 8cm and 9cm.

3. Find the perimeter of an equilateral triangle of side 11cm.

4. Find the perimeter of an isosceles triangle with equal sides 7cm and third side 6

5. Find the perimeter of a regular octagon with each side measuring 7cm. 6. Two sides of a triangle are 17cm and 13cm. The perimeter of the triangle is 50cm

What is its third side?

7. Find the side of the square whose perimeter is 76m.

8. The perimeter of a regular pentagon is 55cm. How long is its one side? 9. Find the area in square metre of a piece of cloth Im 25cm wide and 4m long. 10. The area of a rectangular cardboard is 45sq cm and the width is 5cm. What is the length of the cardboard?

11. John wants to cover the floor of a room 3m wide and 4m long by squared tiles. Il

square tile is of side 50cm, find the number of tiles required to cover the floor. 12. Find the distance walked by Manoj if he takes three rounds of a square park of si

85m. 13. Find the cost fencing a rectangular park 275 m long and 150 m wide at the rate o

per metre. 14. A floor is square in shape of side 5m. A rectangular carpet 3m long and 2m wide

laid on the floor. Find the area of the floor that is not carpeted. 15. How many tiles whose length and breadth are 12 cm and 5 cm respectively will t needed to fit in a rectangular region whose length and breadth are 70 cm and 36 respectively.​

Answer 1

Answer:

perimeter of triangle is sun of all sides