Question

perimeter =55cm
unqual side =15 cm
find equal =?​

Answer 1

Answer:

equal side = 20 cm

Step-by-step explanation:

perimeter= 55

unequal= 15

equal = x

15+x+x= 55

15+2x= 55

2x= 55-15

x= 40/2

x= 20cm