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primary 6 | Maths
| Fractions
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Pls help, thanks!
169 = 14² ⇨ Ans: 14cm
(b) shaded area
= ¼ square + ½ square - pink
= ¾ square - ⅛ circle (pink)
= 14² × ( ¾ - ⅛ × ²²⁄₇ )
= 70cm² (Ans)
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