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Friday, April 17, 2026
P6 circles
Extension…
Area of shaded
= 4 x [ 21x21 - 1/4 x pi x 21x21 + 4 x 1/2 x pi x 10.5x10.5 ]
= 4 x [ 441 - 346.5 + 693 ]
= 4 x 787.5
= 3150 cm2
