Bantu jawab yaa............

Segitiga

a) Panjang AD
AD = BD
AD = 5 cm

b) Panjang BC
BC = AC
BC = 15 cm

c) Panjang AB
AB = AD + BD
AB = 5 + 5
AB = 10 cm

d) Besar <ABC
<ABC = <BAC
<ABC = 70°

*semoga membantu. sukses selalu ^_^