The perimeter of the new rectangle is 23cm
Formula for perimeter is given by
Perimeter = 2(length + width)
Perimeter = 2( 6 + 4)
Perimeter = 2 × 10
Perimeter = 20cm
If the length and width are enlarged by 1/2, we have
Perimeter = 2( 6 + 4 +1/2)
Perimeter = 2( 10 + 0.5)
Perimeter = 2× 11. 5 = 23cm
Thus, the perimeter of the new rectangle is 23cm
Learn more about perimeter of a rectangle here:
https://brainly.com/question/17297081
#SPJ1