Question

if the width of the rectangle is 4cm and area is 28 cm2 then what's the length and perimeter

Answer 1

length = 7cm
and perimeter = 22cm

Answer 2

area = 28cm²
width = 4cm
length = area ÷ width
= 28÷4 = 7cm
the length of the rectangle is 7cm
perimeter = 2×(l+b)
= 2×(7+4)
= 2×11
= 22cm
the perimeter of the rectangle is 22cm