Question

A rectangular map with a white margin measures 18cm by 15cm.If the margin is 1cm wide,find the area of the white margin

Answer 1

Answer: Area of the margin of one side of the sheet =

Area of rectangle= length *breadth

= 18*1=18cm²

Area of its opposite side margin= 18cm²

Area of another side = length*breadth

=15*1=15cm²

Area of its opposite side =15cm²

Total area of margin = 18+18+15+15=66cm²

Step-by-step explanation: