Question

(GEO) A quadrilateral is inscribed in a circle. What is the value of x? *number

Answer 1

19°

Concept used:

Property of Cyclic Quadrilaterals (Quadrilateral inscribed in a circle)

(Sum of opposite angles is 180 deg)

Explanation:

`= > 123 + 3x = 180\\\\= > x = (57)/(3)\\\\= > x = 19^(o)`