tentukan keliling segitiga segitiga berikut,jika diketahui sisi sisi a.25cm,55cm,34cm b.45cm,48cm,19cm c.33cm,40cm,30cm d.15cm,31cm,32cm e.20dm,27cm,40mm tolong dijawab ya mau di kumpulin tapi beserta caranya

A. K= 25cm+55cm+34cm
       = 114 cm
b. K=45+48+19
=112cm
c. K=33+40+30
= 103cm
d. K=15+31+32
= 78cm
e. 20 dm= 20×10=200cm
27cm=27cm
40mm= 40:10=4
K=200+27+4= 231cm

#maaf klw ada yang keliru

A. 25 + 55 + 24 = 94
b. 45 + 48 + 19 = 112
c. 33 + 40 + 30 = 103
d. 15 + 31 + 32 = 78
e. 20 + 27 + 40 = 87