(a)[2]
Using only a straight edge and compasses, construct the locus of points inside the triangle that are equally distant from BA and BC.
(b)[1]
Shade the part inside the triangle that is farther than 6.5 cm from C and closer to BA than to BC.
Mathematics 0580 · IGCSE · Geometrical constructions
Geometrical constructions — practice question
The diagram displays triangle ABC and an arc centred at C with radius 6.5 cm.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct angle bisector at $B$ together with two pairs of correct arcs reaching $AC$” …
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