09-03-2019
Mathematics

contestada

Given: DC is a diameter of circle k (O). DC ⊥ AB
Prove: AC ≅ BC

Respuesta :

20-03-2019

Answer:

See explanation

Step-by-step explanation:

Connect points A and O and B and O. Consider two right triangles AOE and BOE. In this triangles,

AO=BO as circle's radii;
OE is common leg.

By HL theorem, these triangles are congruent, thus, AC=BC.

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