Coordinate Geometry Class 9th Formula -Maths 9th

Coordinate Geometry Class 9th Formula -Maths 9th
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Here, the traingle ABC is isosceles So,Angle A willbe 90°.And AB=BC  therefore their angles will be equal So..90+x+x=180° 2x=90° X=45° Then angle B and angle C = 45°
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