# Worksheet: Altitudes of Triangles

In this worksheet, we will practice identifying altitudes of a triangle and use their properties to find a missing length.

**Q1: **

Where is the intersection of the altitudes of this triangle?

- Aoutside the triangle
- Bat vertex
- Cinside the triangle
- Dat vertex

**Q2: **

Which line segment is the altitude of triangle which is perpendicular to ?

- A
- B
- C

**Q3: **

Which line segment is the altitude of triangle which is perpendicular to ?

- A
- B
- C

**Q4: **

Which line segment is the altitude of triangle which is perpendicular to ?

- A
- B
- C

**Q5: **

Which line segment is the altitude of triangle which is perpendicular to ?

- A
- B
- C

**Q6: **

Which line segment is the altitude of triangle which is perpendicular to ?

- A
- B
- C

**Q7: **

How many altitudes does this triangle have?

**Q8: **

Which line segment is the altitude of triangle which is perpendicular to ?

- A
- B
- C

**Q9: **

Draw a triangle in which and . Draw the perpendicular bisectors of each of the three sides. Are the perpendicular bisectors concurrent?

- Ayes
- Bno