alleryThe exterior bisector of an angle divides which angle in half?
AThe supplementary angle
BThe complementary angle
CThe vertical angle
DThe reflex angle
Answer & Solution
Correct answer: A. The supplementary angle
1. The exterior angle is 180 degrees minus the original angle.
2. That is the supplementary angle, formed by one side and the extension of the other.
3. The exterior bisector divides it into two equal angles.
_Source: Wikipedia, Bisection, section Angle bisector_
Keep practising Straightedge and Compass Construction
Browse all Straightedge and Compass Construction questions for CTET, or explore more Mathematics topics.
Related questions
Wantzel proved Gauss's condition is necessary for what?A triangle's twelve key lengths include its sides, altitudes, medians and what else?Which operation is a common construction that copies a point across a line?Which of these is a ruler-and-compass construction involving a circle?A median splits the opposite side of a triangle into two parts that are what?The angle bisector theorem compares a side's parts with what?Which lines form the boundaries of Voronoi cells?Which Euclid proposition gives the bisection of a segment by compass and straightedge?