# Worksheet: Altitudes of Triangles

In this worksheet, we will practice identifying altitudes of a triangle and using 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

**Q10: **

Complete the following statements regarding the position of the intersection point of different trianglesβ altitudes.

The concurrency point of an acute triangleβs altitudes lies .

- Aon one of the triangleβs sides
- Bon a specific vertex
- Coutside the triangle
- Dinside the triangle

The concurrency point of an obtuse triangleβs altitudes lies .

- Aon the obtuse angle vertex
- Bon the longest side
- Cinside the triangle
- Doutside the triangle

The concurrency point of a right triangleβs altitudes lies .

- Aon the hypotenuse
- Boutside the triangle
- Cinside the triangle
- Don the right angle vertex

**Q11: **

True or False: A right triangle has 0 altitudes.

- ATrue
- BFalse