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Geometry
4.31 Perimeter of the Parallelogram

Example:
The parallel sides of a parallelogram ABCD are 5 cm and 7 cm. Find its perimeter.

Solution:
Perimeter of the Parallelogram (P) = 2 [b + a]
Where P is perimeter of the parallelogram, a and b are parallel sides.
Given that,
b = 5 cm and a = 7 cm.
P = 2 [b + a]
P = 2 [5 + 7]
P = 2 [12]
P = 24 cm.


Directions: Read the above example carefully and answer the following questions. Also draw 10 different parallelograms and find their perimeters.
Q 1: The parallel sides of a parallelogram ABCD are 12.25 cm and 10.75 cm. Find its perimeter.
18 cm
16 cm
36 cm
46 cm

Q 2: One of the parallel sides of a parallelogram ABCD is 3 more then the other parallel side. Find one side if its perimeter is given by 46 cm.
12 cm
9 cm
8 cm
13 cm

Q 3: The parallel sides of a parallelogram ABCD are (19 x 15)/12 cm and (17 x 11)/9 cm. Find its perimeter.
89.10 cm
88.23 cm
88.59 cm
89.02 cm

Q 4: The parallel sides of a parallelogram ABCD are 6 cm and 7 cm. Find its perimeter.
13 cm
16 cm
23 cm
26 cm

Q 5: The parallel sides of a parallelogram ABCD are 5 cm and 6 cm. Find its perimeter.
26 cm
22 cm
11 cm
16 cm

Q 6: The parallel sides of a parallelogram ABCD are a units and b units. Find its perimeter.
2(a - b) units
2a units
2ab units
2(a + b) units

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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