Question

EXERCISE 20.4
area of a rectangle, whose
-6 cm, breadth = 3 cm
-4.5 cm, breadth = 2 cm.
2. Find the
3. The area of a
5. The area
6. What will ha
Find the area of a rectan
(0) Length = 6 cm, breadth -
(ii) Length = 4.5 cm, brear
(ii) Length = 8 cm, breadth=3 cm
and the area of a square whose side is.
15cm (11) 4.1cm
he area of a rectangle is 49 cm2 and its bres
(iii) 5.5 cm
(iv) 2.6 cm
the side of a square is 70 cm. Find its area an
is breadth is 2.8 cm. Find the length of the rectangle.
the area of a rectangle is 225 cm and its one side is 25 cm, find its other side.
What will happen to the area of a rectangle if its
Length and breadth are trebled. (i) Length is doubled and breadth is same.
) Length is doubled and breadth is halved
What will happen to the area of a square if its side is:
0 Tripled
(i) increased by half of it
Find the perimeter of a rectangle whose area is 500 cm? and breadth is 20 cm.
angle has the area equal to that of a square of side 80 cm. If the breadth or the league
is 20 cm, find its length,
Area of a rectangle of breadth 17 cm is 340 cm. Find the perimeter of the rectangle.
A marble tile measures 15 cm x 20 cm. How many tiles will be required to cover a wall of size
7. What will
4 mx 6 m?
A marble tile measures 10 cm x 12 cm. How many tiles will be required to cover a wall of size
3 mx 4 m? Also, find the total cost of the tiles at the rate of Rs 2 per tile.
18 One side of a square plot is 250 m, find the cost of levelling it at the rate of Rs 2 per square
metre (Fast give answers)​

Answer 1

Answer:

sudjdgduohfxzjidhofxkljxzjlfss

Answer 2

Explanation:

you can easily find it by formulas

1- area of rectangle = length × breadth

2- area of square = side × side

3- 15cm = 15 ×15 =225cm

4- perimeter of rectangle = 2(l+b)