Problem 1E: Note: Exercises preceded by an asterisk are of a more challenging nature. In preparing a certain... Problem 2E Problem 3E: Given that ABEF=BCFG=CDGH, are the following proportions true? a ACEG=CDGH b ABEF=BDFH Problem 4E: Given that XYTS, are the following proportion true? a TXXR=RYYS b TRXR=SRYR Problem 5E: Given: l1l2l3l4,AB=5,BC=4,CD=3,EH=10 Find: EF,FG,GH See the figure for Exercise 6. Problem 6E: Given: l1l2l3l4,AB=7,BC=5,CD=4,EF=6 Find: FG,GH,EH Problem 7E: Given: l1l2l3,AB=4,BC=5,DE=x,EF=12x Find: x,DE,EF Problem 8E: Given: l1l2l3,AB=5,BC=x,DE=x2,EF=7 Find: x,BC,DE Problem 9E: Given: DEBC,AD=5,DB=12,AE=7 Find: EC Problem 10E: Given: DEBC,AD=6,DB=10,AC=20 Find: EC Problem 11E Problem 12E: Given: DEBC,AD=5,DB=a+3,AE=a+1,EC=3(a1) Find: aandEC Problem 13E: Given: RW bisects SRT Do the following equalities hold? a SW=WT b RSRT=SWWT Problem 14E: Given: RW bisects SRT Do the following equalities hold? a RSSW=RTWT b mS=mT Problem 15E: Given: UT bisects WUV,WU=8,UV=12,WT=6 Find: TV Problem 16E: Given: UT bisects WUV,WU=9,UV=12,WV=9 Find: WT Problem 17E: Given: NQ bisects MNP,NP=MQ,QP=8,MN=12 Find: NP Problem 18E Problem 19E Problem 20E: Given: In ABC,AD bisects BAC AB=20 and AC=16 Find: DC and DB Problem 21E Problem 22E: In ABC,mCAB=80,mACB=60,andABC=40. With the angle bisectors as shown, which line segment is longer? a... Problem 23E: In ABC,AC=5.3,BC=7.2 and BA=6.7. With angle bisectors as shown, which line segment is longer? a AE... Problem 24E: In right RST not shown with right S,RV bisects SRT so that V lies on side ST. If RS=6,ST=63, and... Problem 25E: Given: RV bisects SRT, RS=x6,SV=3, RT=2x, and VT=x+2 Find: x HINT: You will need to apply the... Problem 26E: Given: MR bisects NMP, MN=2x,NR=x, RP=x+1, and MP=3x1 Find: x Problem 27E: Given point D in the interior of RST, which statements is are true? a RKKTTHHSGSRG=1 b... Problem 28E: In RST, suppose that RH,TG, and SK are medians. Find the value of: a RKKT b THHS Problem 29E Problem 30E Problem 31E Problem 32E: Given: RST, with XYRT and YZRS Prove: RXXS=ZTRZ Problem 33E Problem 34E: Use Exercise 33 and the following drawing to complete the proof of this theorem: The length of the... Problem 35E: Use Theorem 5.6.3 to complete the proof of this theorem: If the bisector of an angle of a triangle... Problem 36E: In right ABC,mB=30. Also, AB=123 and AD bisects BAC. Find BD. Problem 37E Problem 38E: In right ABC with right C,AD bisects BAC. If AC=6 and DC=3, find BD and AB. HINT: Let BD=x and... Problem 39E: Given: ABC not shown is isosceles with mABC=mC=72;BD bisects ABC and AB=1 Find: BC Problem 40E: Given: RST with right RST; mR=30 and ST=6; RST is trisected by SM and SN Find: TN,NM, and MR Problem 41E Problem 42E format_list_bulleted