20°R=...°C =...°F =...K

°R >> °C = 5/4 × °R
= 5/4 × 20
= 25°R

°R >> °F = ( 9/4 ×°R ) + 32°
= ( 9/4 × 20 ) + 32°
= 45 + 32°
= 77°F

°R >> K = ( 5/4 × °R ) + 273
= ( 5/4 × 20 ) + 273
= 25 + 273
= 298 K

Semoga Membantu ^^ Jadikan Jwban terbaik yaa