J's answer to Catherine Wee Mui Chin's Primary 5 Maths Area & Volume Singapore question.
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Square base means length(L) and breadth(B) are equal, since all 4 sides of a square are equal in length
The area of the square base = 169 cm²
L × L = 169
L² = 169
L = √169 = 13
Or
Realise that 169 = 13 × 13
So length = 13 cm
The area of the square base = 169 cm²
L × L = 169
L² = 169
L = √169 = 13
Or
Realise that 169 = 13 × 13
So length = 13 cm
Date Posted:
3 years ago
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