68.1k views
0 votes
A rectangle has an area of 98 square inches. the length of the rectangle is double the width of the rectangle. find the dimensions of the rectangle

User Root
by
5.7k points

1 Answer

3 votes
Let x be width.

Length: 2x

98=2x(x)
2x^2=98
x^2=98/2
x^2=49
x= sqrt(49)
x= 7 (not -7 because distance cannot be in negatives)

Therefore, the dimensions are 7"x14"

Hope I helped :)
User Eddwhis
by
7.1k points