Area of a rectangle is 432 m square,if it's length and breadth are is the ratio 4:3.find the perimeter.
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1
Answer:
84 meters
Step-by-step explanation:
Area of rectangle is 432m²
Length: breadth= 4:3
Let length be 4x.
Let breadth be 3x.
length x breadth= 432
4x(3x)= 432
12x²= 432
x²= 432/12
x²= 36
x=√36
x= 6m
Length= 4x = 4x6 = 24m
Breath= 3x= 3x6= 18m
Perimeter= 2(l+b)
= 2(24+18)
= 2(42)
= 84m
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