1.

The sides if a rectangle are 3a and 5b. Find its perimeter​

Answer»

16ABStep-by-step EXPLANATION:we dont have any CHANCE of finding the value of A and B so first we will see the formulae to FIND the perimeter of rectangle.FORMULAE=L×2+B×2now we know the length is 3×2+5×2 is 6+10 is 16 now we cannot forget to ADD A and B so 16AB is the answer



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