Bisecting a Line Segment
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Two line segments with common end points form an ________ .
An arc AB forms ∠AOB at the centre of the circle. If I draw 2 arcs with A and B as centre and a fixed radius 'r' such that they intersect at point P. The line OP will ___________ the ∠AOB.
be at right angles to
bisect
trisect
be at zero angle to
- False
- True
An arc AB forms ∠AOB at the centre of the circle. If I draw 2 arcs with A and B as centre and a fixed radius 'r' such that they intersect at point P. The line OP will
- False
- True
Step 3: With r as radius, draw arcs with B and C as centres. The point of intersection of the arcs is point D. ∠DOA is
Note: Answer in degrees.
An arc AB forms ∠AOB at the centre of the circle. If I draw 2 arcs with A and B as centre and a fixed radius 'r' such that they intersect at point P. The line OP will ___________ the ∠AOB.
be at right angles to
bisect
trisect
be at zero angle to
An arc AB forms ∠AOB at the centre of the circle. If we draw 2 arcs with A and B as centre and a fixed radius 'r' such that they intersect at point P. The line OP will ___________ the ∠AOB.
be at right angles to
bisect
trisect
be at zero angle to
Given a base angle B and the difference of the sides AC and AB (not necessarily in this order), what is the difference in the steps of constructions when
i) AC > AB
ii) AC < AB
Instead of having B as the base angle, have the same construction with C as the base angle
Instead of drawing the perpendicular bisector of line segment BC, we’ll draw the angle bisector of angle B in this case
Instead of plotting the point D on the ray BX as (AC – AB) = say 2 units, we rewrite it as (AB – AC) = -2 units and plot the point D, 2 units down south of point B on the same ray BX.
Instead of having B as the base angle, have the same construction with A as the base angle
- 2
- −2
- −1
- None of these
- 2
- 3√2
- 2√3
- 8