alleryAn 8 cm long slate covers 48 sq cm. What is its edge length all round?
A28 cm
B56 cm
C48 cm
D14 cm
Answer & Solution
Correct answer: A. 28 cm
1. Width = 48 ÷ 8 = 6 cm.
2. Perimeter = 2 × (8 + 6).
3. That is 28 cm.
_Source: Wikipedia, Length (CC BY-SA 4.0, rev 1379869769), Length_
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