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Area of a rectangle with length

Question:

Area of a rectangle with length 4ab and breadth 6b2 is

(a) 24a2b2 

(b) 24ab3 

(c) 24ab2 

(d) 24ab

Solution:

(b) 24ab3

We know that, area of rectangle = length × breadth

Given, length = 4ab, breadth = 6b2

= 4ab × 6b2

= 24ab3

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