Topic :-
Mensuration
Given :-
A rectangle has length of √7 meters and width of ( 2√5 - √15 ) meters.
To Find :-
Area of rectangle.
Formula to be Used :-

Solution :-
It is given that,
Length = √7 meters
Width = ( 2√5 - √15 ) meters
Applying formula,
Area = Length × Width
Area = √7 × ( 2√5 - √15 ) sq. meters
Area = ( 2√5 × √7 - √15 × √7 ) sq. meters
Area = ( 2√( 5 × 7 ) - √( 15 × 7 ) ) sq. meters
Area = ( 2√35 - √105 ) sq. meters
Answer :-
So, area of given rectangle is
( 2√35 - √105 ) sq. meters