Question

please explain it......

Answer 1

1 dm equal to 10 cm therefore 20 cm equal to 20 into 1 by 10

Answer 2

$\large\red{\huge{\star}}\green{\mathfrak{10cm=1dm}}$

$\large\red{\huge{\star}}\green{\mathfrak{20cm=2dm}}$

$<marquee>$

$\huge\red{\huge{\star}}\green{\mathfrak{Nishant}}$