Question

5. Find the perimeter of a square whose area is
(a) 49 cm
(b) 100 cm
(c) 2.56 m
6. (a) Find the area of a square whose perimeter is 84 cm.
(b) The perimeter of a square field is 6 km. Find its area in hectares.
7. Mr Saxena bought a plot of land 80 m by 40 m at 750000 per m². How much did the plot cost him?
3. How many tiles, each 25 cm by 20 cm, are required for the floor of a room, 12 m long and 9 m wide?
9. How many handkerchiefs, each 35 cm square, can be cut from material 70 cm wide and 3.5 m long?
10. A living room floor measures 6 m by 9 m. A 4 m by 7 m rug is placed on the floor. How many square metre
of the floor are not covered by the rug?
11. The figure shown is composed of two squares. The area of the shaded region is
56 sq or
56 sq cm. What is the side length of the larger square, if the side length of the small
square is 13 cm?​

Answer 1

Answer:

5. 4× side

4× 49cm

196

in the same way u hv to do this

6. area of square= side into side

= 84 ×84

6156cm