Question

ABCD বৃত্তস্থ চতুর্ভূজের AB ব্যাস ∠ACD=50° হলে ∠BAD =?​
If anyone answer the question correctly, I will make u a Brainlist. Those who do not understand my language can skip it.
(Plz don't mess it by saying I didn't understand your language translate it.)​

Answer 1

Answer: 40°

Step-by-step explanation:

ATQ     ∠ACD=50∘

As we know that ∠ACB=90∘(angle in semicircle)

∴ In cyclic quadrilateral

Sum of opposite angles is 180∘

∠C=140

∴∠BAD=180∘−140∘=40∘