SOLUTION: Question 7) If the area of the given rectangle is 77cm2, find its length and breadth Length= x+4 Breadth= x

SOLUTION: Question 7) If the area of the given rectangle is 77cm2, find its length and breadth Length= x+4 Breadth= x

Algebra.Com

Question 60969: Question 7) If the area of the given rectangle is 77cm2, find its length and breadth Length= x+4 Breadth= x
Answer by joyofmath(189) (Show Source): You can put this solution on YOUR website!
Length = x+4
Breadth = x
Area =
So,
Or
This is a quadratic equation which factors into
So, and are possible values.
But, x can't be negative, so .
We verify this answer by multiplying Length = 7 by Breadth = 7+4=11 and we do get 77.
RELATED QUESTIONS
The length of rectangle is8m more than its breadth if breadth if perimeter is 128m... (answered by josgarithmetic)

If length is twice its breadth. The area of the rectangle is 1800sq.m then find the... (answered by god2012)

the length of a rectangle is 4 dm more than its breadth. If area of the rectangle is 192... (answered by checkley75)

if the length of a rectangle is 4 units more than its breadth if its perimetre is 64... (answered by mananth)

The length of rectangle is 20cm.if its breadth 1 by 4 shorter than its length .find its... (answered by tommyt3rd)

if the area of rectangle is given by (x+5x+6)cm2, give the length and breadth (answered by josgarithmetic)

If the length of rectangle is 4 dm more than its breadth. If the area of the rectangle is (answered by jojo14344)

Length of a rectangle is greater than its breadth by 3 CM if the length is increased by 9 (answered by josgarithmetic)

If the length of the rectangle is exceeds its breadth by 7cm and the length is decreased... (answered by josgarithmetic)