Question

Q. Let us assume a triangle ABC which has only one acute angle (say ZA) Then we have

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note:- this is Unnecessary questions-

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Answer 1

Answer:

A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.