Question

ajutor pls dau coroana!!!​

Answer 1

a)

triunghiul AED | <AED=<ACB |

triunghiul ABC | <EDA=<CBA } =>

| |

=>AED ~ACB => AE/AC=ED/CB=AD/AB

AE/AC=ED/CB

10/AC=8/14

10/AC=4/7

70=4AC AC=17,5

b)triunghiul DEC | <BAC=<EDC |

triunghiul ABC | <ABC=<DEC } =>

| |

=>ABC~DEC => AB/ED=BC/EC=AC/AD

AB/ED=BC/EC

10/6=15/EC

5/3=15/EC

5EC=45

EC=9

BE=15-9=6

c)

triunghiul AED | <CAB=<CPQ |

triunghiul PQC | <PQC=<ABC } =>

| |

=>ABC~PQC=> AC/AP=AB/PQ=BC/BQ

AC/AP=AB/PQ

AC/16=18/6

AC/16=3/1

AC=48

PC=48-16=32