Per NCERT, what is the formula for the perimeter of a RECTANGLE with length a units and width b units?
A½(a + b) units
Ba² + b² units
Cab units
D2(a + b) units
Answer & Solution
Correct answer: D. 2(a + b) units
Rectangle perimeter = 2(a+b). The other options confuse perimeter with area or other formulas.
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