Răspuns:
Explicație pas cu pas:
sinB=c op/ ip
AD/BD=12/13
AD /26=12/13
AD =26*12/13 =24 cm
AB²=26²=24²=676-576 =100
AB=√100 =10 cm
P=2*10+2*24 =20+48 =68 cm
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Răspuns:
Explicație pas cu pas:
sinB=c op/ ip
AD/BD=12/13
AD /26=12/13
AD =26*12/13 =24 cm
AB²=26²=24²=676-576 =100
AB=√100 =10 cm
P=2*10+2*24 =20+48 =68 cm