NDA Math Application of Derivatives

Show Para  Hide Para 
Consider the following information for the next three (03) items that follow:
Three sides of a trapezium are each equal to 6cm. Let α∈(0,‌
Ï€
2
)
be the angle between a pair of adjacent sides.
[NDA I 2018]
© examsiri.com
Question : 40 of 73
 
Marks: +1, -0
If the area of the trapezium is maximum, what is the length of the fourth side?
[NDA I 2018]
Go to Question: