Question

From the midpoint of a straight line, a straight line segment OC is drawn. if OC=OA, prove that ACB is a right angle.
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Plz help​

Answer 1

Answer:

Step-by-step explanation:

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in △ABC, ∠B=90∘, AD=DC

we draw DO⊥BC. So BO=OC=BC/2 and DO=AB/2 [midpoint theorem]

so BD/2=DO/2+BO/2=BC/2+AB/24=AC/24

so BD=AC/2 (proved)

refer the below image