Luttrell 2012
41
Name: ______________________
Date: _____
3d-Adding and Subtracting Decimals
Use your calculator only to check your answer.
1. Find the perimeter of the room with dimensions: 8.35' by 11.24'.
2. Find the perimeter of a triangle whose sides are 4.3", 6.71", and 5.901".
3. Find the perimeter of the room with dimensions 9.12' by 10.8'.
4. Find the perimeter of the room with dimensions 7.02' by 11.76'.
5. If the perimeter of a room is 48' and the length is known to be 10.8', what is the other
dimension?
6. If the perimeter of a room is 65' and the length is known to be 12.5', what is the other
dimension?
7. The perimeter of an equilateral (all sides equal) triangle is 34.8". What is the side length?
8. The perimeter of a square is 38". What is the side length?
9. The perimeter of a regular hexagon (6-sided shape with equal sides) is 39'. What is the side
length?