A rectangular card is 6 centimeters long and 3 centimeters wide. What is its perimeter in centimeters?
Show hints
- Add the lengths of all four sides.
- Double the sum 6 + 3.
Show the answer and solution
Answer: 18
A rectangle has two sides of length 6 and two of length 3. Its perimeter is 6 + 3 + 6 + 3 = 18.