1. Given: YZ is the base of an isosceles triangle <2= <1= Prove: XA bisects
2. Given: CE = CF
Prove: CDG is isosceles

3. Given: HJ = MKJ
Conclusion: JOK is isosceles

4. Given: PSV is equilateral
R is the midpt. of SP
T is the midpt. of SV
RT= 1/2 SV

Need help from #1-10 !! It would mean a lot appropriate the help :)