Perimeter of a Parallelogram Practice

Quesion icon
Question 1
Find the perimeter of the following parallelogram.
parallelogram with sides of 4cm and 7cm

Answer

Select and check your answer...
Answer icon
A. 22cm
B. 25cm
C. 28cm
D. 31cm
Check Answer

Step by Step Solution 

Solution icon
Step 1
To find the perimeter, we just need to add all the side lengths together. The picture below shows all the side lengths of the parallelogram:
parallelogram with all the side lengths shown

Solution icon
Step 2
Let the perimeter be P. By adding all the side lengths, we have:
Calculating the perimeter of the parallelogram
Solution icon
Step 3
Now, the calculated number, 22, has no meaning unless we include the unit for it. Since the sides are in centimeter, the perimeter will also be in centimeter. Hence:
P = 22cm
Solution icon
Step 4
Clearly, the answer is A.

Show Step 1
Hide This Step
iPod Touch & iPhone
iPad
Graphs & Equations
Algebra
Exponents
Symmetry
Fractions
Measurements
Interest
Angles
Triangles
Useful Resources