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Online Quiz (Worksheet A B C D)

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Grade 7 - Mathematics
9.18 Perimeter of a Quadrilateral

The sides of a quadrilateral ABCD are 5 cm, 6 cm, 9 cm and 8 cm. Find its perimeter.

Perimeter of the Quadrilateral (P) = S1 + S2 + S3 + S4
Where P is the perimeter of the quadrilateral and S1, S2, S3 and S4 are the sides of the quadrilateral.
Given that,
S1 = 5 cm, S2 = 6 cm, S3 = 9 cm and S4 = 8 cm.
Hence P = 5 + 6 + 9 + 8
P = 28 cm.

Directions: Read the above example carefully and answer the following questions. Also draw 10 different quadrilaterals and find their perimeters.
Q 1: The sides of a quadrilateral ABCD are 9y cm, 8y cm, 7y cm and 6y cm. Find y if its perimeter is given by 90 cm.
5 cm
2 cm
6 cm
3 cm

Question 2: This question is available to subscribers only!

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