Question

Mr. Sharma bought a rectangular field whose length is (x + 7) and breadth is (x + 3). After few years he bought a land next to the rectangular field of area [ y^2 + 10 y + 25 ]. What is the length of each side of the new land? ​

Answer 1

Step-by-step explanation:

Given that

Arjun bought a rectangular plot with length breadth y

Area of the rectangular plot = length × breadth

⇒ x×y=xy

Now,

Given that triangular part of it whose base is y and height is z

Area of triangular part =

2

1

×y×z=

2

1

yz

Area of the remaining part of the plot = Area of the rectangular plot - Area of triangular part

⇒ xy−

2

1

yz=y(x−

2

1

z)