1.

the length of a rectangle is 3 times its breadth if the area of the rectangle is 1875sq cm find its perimeter​

Answer»

let the breadth be x cm

let the breadth be x CMTHEN LENGTH = 3x

as per the QUESTION,

= > area \: \: \: \: = 1875 \\ = > 3x \times x = 1875 \\ = > {x}^{2} \: \: \: \: \: \: \: \: = 625 \\ = > x \: \: \: \: \: \: \: \: \: \:= \sqrt{625} \\ = > x\: \: \: \: \: \: \: \: \: \: = 25 \: cm \\ \\ breadth = 25 \: cm \\ length = 75 \: cm \\ \\ perimeter = 2(25 + 75) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 100 \\\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 200 \: cm


Discussion

No Comment Found

Related InterviewSolutions