Question

prove that in a triangle if the square of one side is equal to the sum of the square of the other two sides in the opposite angle of the first track side is a right angle

Answer 1

Answer:

Step-by-step explanation:

We know that sin²x + cos²x = 1

O²/H² + A²/H² = 1

O² + A² = H², only in right angled triangle hypotenuse exists