Se dau triunghiurile abc si def. stabiliti dacă cele doua triunghiuri sunt asemenea in următoarele situații:
a)ma=38 de grade; mb=65; me=65; mf=70
b)ma=45; mc=mf=54; md=81
c)mb=me=70m; a=40m; mf=60
d)mc=45; ma supra mb=5supra4; md=75me=60

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?