Question Text
Question 1 :
If the area of a circle is numerically equal to its circumference, then the radius of the circle is<br/>
Question 2 :
If the perimeter of a square is 24 cm, then its area is<br/>
Question 3 :
The circumferences of two circles are in the ratio 5 : 7, find the ratio between their radii.
Question 5 :
If the area of a parallelogram is 54 cm<sup>2</sup> and the length of one side is 7.5 cm, then the corresponding height is<br/>
Question 6 :
The ratio of circumference to the area of a circle of radius r units is<br/>
Question 7 :
The perimeter of a semicircle (including its diameter) of radius 7 cm is<br/>
Question 8 :
If the ratio of the radii of two circles is 2:3 then the ratio of their circumferences is<br/>
Question 10 :
If the height of a parallelogram is doubled and base tripled, then its area becomes<br/>