Question

Find the area of rectangle whose length is four times it's breadth is 3a​

Answer 1

Answer:

36a² is the right answer.

. . ..................

Breadth = 3a

Length = 3a × 4 = 12a

Area = L × B

= 12a × 3a

= 36a²

Answer 2

Step-by-step explanation:

Given:-

The length is four times it's breadth .breadth is 3a of the rectangle

To find:-

Area of the rectangle.

Solution:-

Breadth of the rectangle =3a units

Length =four times it's breadth=4(3a)=12a units

Formula:-

The length and breadth of a rectangle are 'l'and'b' units then its area =lb sq.units

=>A=12a×3a sq.units

=>A=36a² sq.units

Answer:-

Area of the given rectangle =36a² sq.units