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a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
d1 d2 d3 d4
e1 e2 e3 e4
f1 f2 f3 f4
ks1 ks3 & ks4 Foundation
ks2 ks4 Higher
ks4 Higher Circle theorem 2: "The angle at the centre..."
Please enable Java for an interactive construction (with Cinderella).
The angle at the centre...