Question

hii pls help me with 15

Answer 1

$\huge \bf \pink {Hello \: Friend!}$


$<b>Given :-$


AB + BC = 10 cm


BC + CA = 12 cm


CA + AB = 16 cm


▶ AB + BC + BC + CA + CA + AB = 10 + 12 + 16


▶ 2 (AB + BC + CA) = 38 cm


▶ AB + BC + CA = 19 cm


↪ We know that Perimeter of triangle = Sum of all the sides


▶ Therefore, Perimeter of the given triangle = 19 cm



HOPE IT HELPS


#BE BRAINLY

Answer 2

Hey!!

AB+BC=1O CM
BC+CA=12 CM
CA+AB =16 CM

Adding we get 2AB+2BC+2CA=38

Then

AB+BC+CA=19 CM

Hence the perimeter of a triangle is 19 CM..

Hope its Help you!!