C-06-Q187mediumsingle_mcq
The bisector of the vertical angle of an isosceles triangle is also the ___ to the base.
The bisector of the vertical angle of an isosceles triangle is also the ___ to the base.
- aparallel
- bperpendicular
- ctangent
- dparallel and equal
ব্যাখ্যা
The bisector of the apex angle splits the isosceles triangle into two congruent right triangles, meeting the base at . So it is perpendicular to the base.