Respuesta :
The value of the actual length is 2.25 cm.
Ratio and proportion
A ratio is an ordered pair of numbers a and b, written as a/b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other.
Given
The length of the patio is 4.5 centimeters.
To find
The actual length of the patio.
How do find the actual length of the patio?
Let the actual length of the patio be x.
And the length of the patio is 4.5 centimeters.
And the ratio is 1:0.5
Then we know proportion is an equation in which two ratios are set equal to each other.
[tex]\rm \dfrac{x}{4.5} =\dfrac{0.5}{1} \\\\x = 2.25[/tex]
Thus the value of the actual length is 2.25 cm.
More about the ratio and proportion link is given below.
https://brainly.com/question/165414
