3.Find the area, in square centimetres, of a square whose side is
(i) 2.6 cm
(ii) 1.2 dm
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Answer:
(i) 6.76 cm.sq
(ii) 144 cm.sq
Step-by-step explanation:
(i) Side of the square = 2.6 cm
Area = Side × Side
= ( 2.6 × 2.6 ) cm.sq
= 6.76 sm.sq
(ii) Side of the square = 1.2 dm = 12 cm ( 1 dm = 10 cm )
Area = Side × Side
= ( 12 × 12 ) cm.sq
= 144 cm.sq
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