alleryStart learning →A rectangle is 1.2 m long and 80 cm wide. What is its perimeter in centimetres?
A200 cm
B400 cm
C280 cm
D320 cm
Answer & Solution
Correct answer: B. 400 cm
1.2 m is 120 cm, so the perimeter is 2 x (120 + 80) = 400 cm.
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