👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length ...
A bundle of theorems are included here. They are: angle in a semicircle, angle in a major and minor sector, cyclic quadrilateral, angle subtended by an arc, tangent to circle property and alternate ...
A complete lesson on the theorem that a perpendicular bisector of a chord passes through the centre of a circle. Assumes pupils can already use the theorems that: Instructions for pupils to ...
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