Question

ajutooorrr ! Dau coroanaaaa
Problemele 5 atatt! ​ AMBELE

Answer 1

Răspuns:

5.AOB=2K;BOC=3K;COD=5K;DOA=8K=>

360=2K+3K+5K+8K

360=18K

K=20°

AOB=2K=40

BOC=3K=60

COD=5K=100

DOA=8K=160

bis.BOC=BOC÷2=60÷2=30

bis.DOA=DOA÷2=160÷2=80

5.MON=2K;NOP=3KPOR=6K;MOR=9K

360=2K+3K+6K+9K

360=20K

K=18°

MON=2K=36

NOP=3K=54

POR=6K=108

MOR=9K=162

b)bis.NOP=NOP÷2=54÷2=27

bis.MOR=MOR÷2=162÷2=81