Question

please answer hurry
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Answer 1

Answer:

a)28 cm

Perimeter of square = 4 x 28 = 112cm

b)19.5m

1m = 100cm

19.5 m = 1950 cm

Perimeter of square= 4 x 1950 = 7800cm

c)2m 72cm

272cm

Perimeter of square= 4 x 272= 1088

Answer 2

$Perimeter \: of \: Square = 4×a$

$1) \: = 4 \times 28$

$= 112$

$2) \: = 4 \times 19.5$

$= 78$

$3) \: = 4 \times 272$

$= 1,088$