Question

Fig.
8. What is the area of the front of a watch that is 25 mm
wide and 23 mm high?
9. Compare the areas of a square 15 cm on each side and
a rectangle 11 cm by 8 cm. Which figure has the greater
area and by how much?
10. A rectangular field measures 400 m by 100 m and a square field
(a) Do the two fields have the same area?
(b) Which field requires more fencing and by how much?
[Hint: Length of fencing = perimeter = sum of all sides]​

Answer 1

Given side of a square=15cm,lenght=11cm,breadth=8cm

Area of square =(15)  

2

=225cm

 

Area of rectangle =11×8=88cm  

2

 

Area of square > Area of rectangle

Area of square is more by (225−88)=137cm  

2

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