CBSE Class 6 Answered
Three sides of a quadrilateral are 30 cm, 40 cm and 25 cm. Find the length of its fourth side if its perimeter is 130 cm.
Asked by Topperlearning User | 30 Apr, 2015, 03:01: PM
Expert Answer
Let the length of the fourth side be x cm.
Perimeter = 130 cm
30 + 40 + 25 + x = 130 cm
95 + x = 130 cm
x = 130 - 95
x = 35 cm.
Therefore, the length of the fourth side is 35 cm.
Answered by | 30 Apr, 2015, 05:01: PM
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