∆ABC, in which angle A equal to 90 degree and AC equal to AC then find the angle

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Solution

Your question is not clear. I assume that
AB=AC
Angle A=90

Single AB =AC, angles B and C will be the same. Let the angle be x.

Total sum of angles of a triangle is 180
So
90+x+x=180
2x=90
x=45

So other angles are 45 degrees.

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