Question

plz tell thos answer frnds​

Answer 1

given --

one side = 21

perimeter = 48

now,

perimeter =a + b + c

48. = 21 + b + c

27. = b + c

Answer 2

length=21

perimeter=48

perimeter=2(L+b)

48=2(21+b)

b=3

HOPE IT HELPS YOU