Question

Please help me
In the figure, AC is the diameter of the circle if angle BAC=68 degree then the value of angle BCA
Its very important ​

Answer 1

using angle sum property

triangleABC=180°

angleABC+angleBAC+angleBCA=180°

90°+68°+angleBCA=180°

angleBCA=180°-90°-68°

angle BCA=12°