Question

Find the value of x in the given figure.

• A. ${44}^{\circ }$
• B. ${55}^{\circ }$
• C. ${66}^{\circ }$
• D. ${77}^{\circ }$

Answer 1

The correct option is C ${66}^{\circ }$

By the exterior angle property of a triangle,

Sum of two interior opposite angles = Exterior angle

∴ x + 58° = 124°

x = 124° - 58°

x= 66°