Question

the correct expansion for ( 2x - 5 ) square

Answer 1

Answer:

Let length=x

Then, x=3Breadth

⇒B=

3

x

Area=x⋅

3

x

Perimeter=2(x+

3

x

)=168m.

2×

3

4x

=168

⇒x=

8

3×168

x=63m.

Length=126m

Breadth=

3

63

=21m.

Step-by-step explanation:

Let length=x

Then, x=3Breadth

⇒B=

3

x

Area=x⋅

3

x

Perimeter=2(x+

3

x

)=168m.

2×

3

4x

=168

⇒x=

8

3×168

x=63m.

Length=126m

Breadth=

3

63

=21m.