Question

why we cannot take more than one 90degree angle on Triangle​

Answer 1

Answer:

We know that a the sum of all angles of a triangle is 180°.

If 1 angle is 90°:

Let the other 2 angles be x and x.

90 + x + x = 180°

2x = 180° - 90°

x = 90/2

x = 45.

So this satisfies the angle sum property of the triangle.

Note : It doesn't mean that the other 2 angles must always be 45

If 2 angles are 90°:

Let the other 1 angle be y.

90°+ 90° + y = 180°

180°+ y = 180°

y = 180° - 180°

y = 0

None of the angles can be 0° in a triangle.

Therefore, 2 angles cannot measure 90° in a triangle.

Hope it helps!