length of the boundary each side 3cm
Answers
Answered by
0
Answer:
9cm
Step-by-step explanation:
Boundary= Perimeter
Perimeter= 3 × side
Side= 3cm 3 × 3
= 9 cm
Therefore, 9cm is the answer.
Answered by
0
Answer:
length of boundary = 4 × side
= 4 × 3
=12cm
Similar questions