Question

The area of a rectangle is 640 sq cm. Its
length is 40 cm. Find the width and the
perimeter​

Answer 1

16 is our width

length 40

area of rectangle 640

Answer 2

AREA OF RECTANGLE= 640 SQ CM.

AREA OF RECTANGLE = LENGTH × WIDTH

LENGTH = 40 CM

640 = 40×WIDTH

WIDTH= 16 CM

PERIMETER= 2(length+width)

= 2(40+16)

= 2(56)

= 112 cm