The circumcentre is always equally distant from all three vertices of a triangle. Therefore, OA, OB and OC are equal. Small differences may appear only because of minor drawing or measuring errors.
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ΔABC represents a triangle with three vertices A, B, and C. It is a fundamental geometric shape with three sides and three angles. The sum of its interior angles is always 180°. Depending on side lengths and angles, ΔABC can ...
In ΔABC if AD ⊥ BC then AD is the altitude from vertex A to side BC. This implies that AD forms a right angle with BC and divides the triangle into two right triangles. The property is essential in ...