Question

3. Find the breadth of a rectangular plot of land, if its area is 440 m
4. The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm,fi
5. The area of a square park is the same as of a rectangular park. If the
square park is 60 m and the length of the rectangular park is 90 m, find the
6. A wire is in the shape of a rectangle. Its length is 40 cm and breadthis22
same wire is rebent in the shape of a square, what will be the measured
22 m. Also find its perimeter.
Also find the area.
the rectangular park.
Also find which shape encloses more area?
7. The perimeter of a rectangle is 130 cm. If the breadth of t
30 cm, find its length. Also find the area of the rectangle
.
8. A door of length 2 m and breadth Im is fitted in a wall. T
wall is 4.5 m and the breadth is 3.6 m (Fig11.6). Find th
washing the wall, if the rate of white washing the wall
널
Fig 11.6​

Answer 1

Answer:

3. area of a rectangle :l×b

Area=440=l⋅b

440=22⋅b

b=20m

Perimeter=2⋅(l+b)

=2(20+ 22) =84cm

for more explanation of the rest of the ans pls tell the excercise no. amd class