Question

7. Examinați desenul. Aflaţi: a) AB, PM, QN, dacă BM = 8 cm, MN = 9 cm, NC = 10 cm. b) BM, MN, NC, dacă AB = 4+2 cm, PM = 3/2 cm, QN = 212 cm. - N --- . 30° A С Р Q. VA ROG URGENT!!!​

Answer 1

Răspuns:

a)sinC=NQ/NC

1/2=NQ/10

NQ=5    

sinC=MP/MC

1/2=MP/19

MP=19/2

sinC=AB/BC

1/2=AB/27

AB=27/2

b)sinC=AB/BC

1/2=4√2/BC

BC=8√2

sinC=MP/MC

1/2=3√2/MC

MC=6√2

sinC=QN/NC

1/2=2√2/NC

NC=4√2

MN=2√2

BM=2√2

BUNĂ SPER CĂ TE-AM AJUTAT!!!!! (,,^w^,,)