Question

i need help plese help ​

Answer 1

Step-by-step explanation:

p=50cm

AB+BC+AC=50cm

15+10+(x+4)=50cm

25+x+4=50

29+x=50

x=50-29

x=21

AC=x+4

AC=21+4

AC=25cm

Answer 2

Answer:

25 cm is the required answer