Angle Bisectors in Triangles

5) Given that Ray BD bisects ∡ABC and CD = 21.9, find AD.

• 10.95^o
• 43.8^o
• 21.9^o
• 15.5^o

6) Given that AD = 61, CD = 61, and m∡ABC = 48^o, find m∡CBD.

• 24^o
• 48^o
• 52^o
• 61^o

7) Given that DA = DC, m∡DBC = (10y+3)^o, and m∡DBA = (8y + 10)^o, find m<DBC.

• 27^o
• 36^o
• 53^o
• 38^o

8) 

• Write down on paper
• No multiple choice
• When done click on blue

10) U(2, -6) , V(4,0)

• y + 3 = ⅓(x - 3)
• y + 3 = -⅓(x - 3)
• y - 3 = -⅓(x + 3)
• y - 3 = ⅓(x + 3)

15) Given that m∡RSQ = m∡TSQ, and TQ = 1.3, find RQ.

• 1.3
• 2.6
• .5
• 7

16) Given that m∡RSQ = 58^o, RQ = 49, and TQ = 49 find m∡RST

• 52^o
• 58^o
• 108^o
• 116^o

17) Given that RQ = TQ, m∡QSR = (9a + 48)^o, and m∡QST = (6a + 50)^o, find m∡QST.

• 54^o
• 108^o
• 55^o
• 37^o

• No multiple choice
• Click on red when done

20)

• y - 2 = x - 4
• y - 2 = x + 4
• y + 2 = x - 4
• y - 2 = x + 4