Question

Area of square = 1000 cm
2
e know that,
side Area of square
10000 = 100 cm
nce, side of the square is 100 cm.
Exercise-11 A
Ans.
A door frame of dimensions 3 mx2 m is fixed on the wall of dimension 10 mx 10 m. Find the total labour
charges for painting the wall if the labour charges for painting 1 m2 of the wall is 2.50.
The area of rectangular sheet is 500 cm². If the length of the sheet is 25 cm, what is its width? Also find the
perimeter of the rectangular sheet.
Anu wants to fence the garden in front of her house, on three sides with lengths 20 m, 12 m and 12 m. Fin
the cost of fencing at the rate of 150 per meter.
A wire is in the shape of a square of side 10 cm. If the wire is rebent into a rectangle of length 12 cm, find
breadth. Which encloses more area the square or rectangle?
The area of a square and a rectangle are equal. If the side of a square is 40 cm and the breadth of
rectangle is 25 cm, find the length of the rectangle. Also find the perimeter of the rectangle.
Calculate the diameter and radius of a circle whose circumference is 220 cm.
A piece of wire is bent in the shape of a square of side 11 cm. It is rebent to form a circular ring. Wha
diameter of the ring?​

Answer 1

Answer:

6.56743210000the way it comes