Question

Triangle ABC is inscribed in a circle with center O. If angle BAC =x+13° and angle ACB = 3x-7° find the value of x​

Answer 1

Answer:

x=21

Step-by-step explanation:

the triangle will be right angles at b.

(x+13)+(x-7)+90=180. (angle sum property)

4x+6=90

4x=84

so; x=21