The dimensions of the rectangular book cover is 40 cm by 22 1/4 cm
What is an equation?
An equation is an expression that shows the relationship between two or more numbers and variables.
An independent variable is a variable that does not depends on other variable while a dependent variable is a variable that depends on other variable.
Given that the book is 22 1/4 cm (22.25 cm) wide and is rectangular with an area of 890 cm², hence:
length * breadth = area
890 = length * 22.25
Length = 40 cm
The dimensions of the rectangular book cover is 40 cm by 22 1/4 cm
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