Let’s think through this step by step.
We are given a diagram with points B, C, D on a straight vertical line (so they’re colinear), and point A off to the side. We have segments:
- BC = 82
- CD = 60
- So BD = BC + CD = 82 + 60 = 142
Point C is between B and D.
Segment AC connects point A to point C.
Now, we are asked:
Which term describes segment AC?
Options:
- altitude
- angle bisector
- median
- none of these
Let’s recall what each term means in geometry:
🔹
Altitude – a perpendicular segment from a vertex to the opposite side (or its extension).
→ Is AC perpendicular to BD? The diagram doesn’t show any right angle symbol, and there’s no indication that AC ⊥ BD. So probably not an altitude.
🔹
Angle bisector – a ray or segment that splits an angle into two equal angles.
→ For AC to be an angle bisector, it would need to split ∠BAD (or some other angle at A) into two equal parts. But we don’t have any information about angles being equal — no markings, no measurements. So unlikely.
🔹
Median – a segment from a vertex to the midpoint of the opposite side.
→ In triangle ABD, if C were the midpoint of BD, then AC would be a median.
But let’s check:
BD = 142 → midpoint would be at 71 from either end.
C is located such that:
- From B to C: 82
- From C to D: 60
So C is NOT the midpoint — because 82 ≠ 60, and also 82 ≠ 71.
Therefore, AC is
not a median.
Since AC is not an altitude, not an angle bisector, and not a median…
✔ The correct answer must be:
none of these
Final Answer:
none of these
Parent Tip: Review the logic above to help your child master the concept of worksheet altitude median angle bisector perpendicular bisector answers.