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Homework Help

Lesson: Identifying and Using Medians and Altitudes of Triangles

In this lesson, we will learn how to identify and use medians and altitudes of triangles.

Sample Question Videos

03:24
02:46

Worksheet • 25 Questions • 2 Videos

Q1:

Find the length of 𝐡 𝐷 and the perimeter of β–³ 𝐴 𝐡 𝐷 .

  • A 𝐡 𝐷 = 4 . 5 c m , perimeter of β–³ 𝐴 𝐡 𝐷 = 1 3 . 5 c m
  • B 𝐡 𝐷 = 9 c m , perimeter of β–³ 𝐴 𝐡 𝐷 = 1 8 c m
  • C 𝐡 𝐷 = 4 . 5 c m , perimeter of β–³ 𝐴 𝐡 𝐷 = 1 5 c m
  • D 𝐡 𝐷 = 2 . 2 5 c m , perimeter of β–³ 𝐴 𝐡 𝐷 = 1 5 c m

Q2:

What is the length of 𝐢 𝐷 ?

Q3:

Use the data in the figure to determine the length of 𝐷 𝐹 and then the perimeter of β–³ 𝐷 𝐸 𝐹 .

  • A length of 𝐷 𝐹 = 2 4 . 5 c m , perimeter of β–³ 𝐷 𝐸 𝐹 = 6 5 . 5 c m
  • B length of 𝐷 𝐹 = 2 2 c m , perimeter of β–³ 𝐷 𝐸 𝐹 = 1 3 1 c m
  • C length of 𝐷 𝐹 = 3 0 c m , perimeter of β–³ 𝐷 𝐸 𝐹 = 9 0 c m
  • D length of 𝐷 𝐹 = 1 8 c m , perimeter of β–³ 𝐷 𝐸 𝐹 = 8 8 c m
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