Question

The length of a rectangle is 6 cm more than the side of a square, and the width of the
rectangle is 6 cm less than the side of the square. If the area of the square is 86 cm?
What is the area of the rectangle?
a) 36 cm b) 40cm c)50cm
e) None of these
d) 64cm?​

Answer 1

let the side of the square is X

length of the rectangle will - X+6

breathe - X-6

area of square=x2

area of rectangle= (X-6) (x+6)=x2-36

x2=86

86-36 =50