The ratio
Exercise (2 - 1)
1
In the following figures, a square of side length 4cm and a rectangle whose dimensions are 6
cm and 3cm Find:
4 cm
3 cm
6 cm
(a) The ratio between the perimeter of the square and the perimeter of the rectangle.
(b) The ratio between the area of the square and the area of the rectangle.
(c) The ratio between the length of the rectangle and its perimeter. 2
Find in the simplest form the ratio between each of the following:
(a) 250 p.t and 7 ½ pounds.
(b) 2 ½ hours and 75 minutes.
(c) 12 kirats and 1.25 feddan.
(d) 75 kirats and 16 sahms 3 Write the ratio between the two numbers in each of the following cases : 4
(a)
1 3 and 2 4
(b) 18 : 6.3
(c)1
3 : 2.2 5
Complete the following : - The ratio between the side length of a square and its perimeter = ……… : ................ - The ratio between the circumference of the circle and its diameter length = ………. : ............ - The ratio between the length of the side of the equilateral triangle and its perimeter = … : …
5
The area of a rectangle is 32cm² and its width = 4cm . Find :
- The length of the rectangle.
- The ratio between the width of the rectangle and its length.
- The ratio between the length of the rectangle and its perimeter.
9