http://www.ck12.org Chapter 5. Relationships with Triangles
- Find the midpoints of sidesCAandCT. Label themLandMrespectively.
- Find the slopes ofLMandAT.
- Find the lengths ofLMandAT.
- What have you just proven algebraically?
Review Queue Answers
1.
(− 4 + 6
2 ,
1 + 7
2)
= ( 1 , 4 )
2.
( 5 + 11
2 ,
− 3 + 5
2)
= ( 8 , 1 )
3.
( 0 − 4
2 ,
− 2 + 14
2)
= (− 2 , 6 )
4.m=−− 2 −^3 (−−^11 )=−−^41 = 4
y=mx+b
− 3 = 4 (− 2 )+b
b= 5 ,y= 4 x+ 5
5.− 7 = 4 ( 2 )+b
b=− 15 ,y= 4 x− 15