Answer:
Width = 16 cm
Step-by-step explanation:
Given that
Area of rectangle = 1024 cm²
Length of rectangle = four times the width
Let the width of rectangle be W cm
Now we know that Area of rectangle = Length × Width
Or, Area of rectangle = (4 × width ) × width
1024 cm² = 4 × W²
= W²
256 = W²
∴ W =
Or, W = 16 cm
Hence the width of given rectangle is 16 cm Answer.
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The answer is A
Wheres the question
I think the Question is incorrect; the left hand side of the equation should be
m+1Cn