Geometryhard · Past Paper
Find the angle between the bisectors of two angles forming a linear pair.
A45 degrees
B90 degrees
C180 degrees
DDepends on the angles
✓ Correct Answer: B — 90 degrees
If angles are a and b (a+b=180), bisectors create angles a/2 and b/2. (a+b)/2 = 180/2 = 90.
Share this question
More from Geometry
- Two lines with slopes m1 and m2 are perpendicular if:
- If (x + 20) and (x - 10) are supplementary angles, find x.
- A circle is inscribed in a right-angled triangle with sides 6, 8, and 10. Find its radius.
- Find the length of the line segment whose endpoints are (a, 0) and (0, a).
- What is the equation of a circle with center (0, 0) and radius 5?