- A50°
- B130°
- C40°
- D100°
Step-by-Step Solution
Vertically opposite angles are equal, so the angle opposite a 50° angle is also 50°.
Answer: A) 50°
Two lines intersect at a point. If one of the angles formed is 50°, what is the measure of its vertically opposite angle?
Competition practiceGeometry
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Geometry practice questions
More Geometry practice
Three angles of a quadrilateral are 90°, 85° and 65°. What is the fourth angle?In a triangle, two of the angles measure 55° and 65°. The third angle is (in degrees):Which of the following is NOT a valid criterion for congruence of two triangles?The opposite angles of a cyclic quadrilateral are:The point dividing the line segment joining (2, 3) and (8, 15) internally in the ratio 1…