Chapter 5 - Parts of Triangles

Which statement is always true? 

• AD ≅ DB
• AC ≅ AD
• ∠ACD ≅ ∠CDB
• ∠BCD ≅ ∠ACD

• ∠FAB ≅ ∠ABF
• ∠ABF ≅ ∠CBD
•  CE ≅ EA 
• CF ≅ FA

Tags

CCSS.HSG.CO.C.9

In ABC, D is a point on AC such that BD is a median. Which statement must be true?

• ΔABD ≅ ΔCBD
• ∠ABD ≅ ∠CBD
• AD ≅ CD
• BD ⊥ AC

Tags

CCSS.HSG.CO.C.10

Which statement can NOT always be proven?

• AC ≅ DC 
• BC ≅ CD
• ∠ACB ≅ ∠DCB 
• ΔABC ≅ ΔDBC

Tags

CCSS.HSG.CO.C.9

Hint: try a few examples

• 1:1
• 1:2
• 1:3
• 1:4

Tags

CCSS.HSG.CO.C.10

What is the length, in centimeters, of EF?

• 6
• 12
• 18
• 4

Tags

CCSS.HSG.SRT.B.4

If AB = 20, BC = 12, and AC = 16, what is the perimeter of trapezoid ABEF

• 26
• 36
• 40
• 44

Tags

CCSS.HSG.CO.C.10

If AC = 4x + 10, which expression represents DE?

•  x + 2.5 
• 2x + 5 
• 2x + 10
• 8x + 20

Tags

CCSS.HSG.CO.C.10

• 6
• 7
• 9
• 12

Tags

CCSS.HSG.SRT.B.4

If VW = 7x − 3 and AB = 3x + 1, what is the length of VC?

• 5
• 13
• 16
• 32

Tags

CCSS.HSG.CO.C.10