Question

Peremiter of rectangle 7 mm L and 2.5 mm B​

Answer 1

Answer:

19

Step-by-step explanation:

perimeter of rectangle= 2(l+b)

2(7+2.5)

2×9.5

19

Answer 2

Answer:

1cm 9mm

Perimeter of rectangle = 2(L+B)

=7+2.5

=9.5

9.5x2=

(ignore the decimal) 95x2=

190

there was 1 decimal after 1 digit so put a decimal after 1 digit so 190 = 19.0

=19 so perimeter = 19mm

so 1cm and 9mm